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Didemnum Stock Photos and Images
RMRMP0HX–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 25. Didemnum leopardi sp. nov. A. Thorax of a mature zooid. B. Thorax of a young zooid. C. Abdomen. D-E. Larvae. are found throughout the tunic and especially in the zooids. The zooids are thus brown and small, less than 1 mm long, with their thoraces perpendicular to the colony surface and their abdomens folded under them. The cloacal channels are restricted to the thoracic level. The zooids have a narrow, cylindrical oral siphon with six pointed lobes (Fig. 25A). The cloacal siphon is rather n
RMRH062C–. Bulletin. Science; Natural history; Natural history. 1971 ASCIDIANS l SOUTHERN <M II oKNIA in Order Enterogona A/ilitlin in californicum A. solidum A. arenatum i.iilirrdmania claviformls Polyclinum planum Synoicum par-fustis Didemnum carnulentum Trididemnum opacum Unidenl ilicd didemnid Diplosoma macdonaldi Clavelina huntsman! (ystodytes lobalus Distaplia occidental is Eudistoma psammion E. ritteri E. diaphanes Sigillinaria aequali-siphonis S. pulchra Ascidia ceratodes Chelyosoma productum Ciona intestinalis Perophora annectens Order Pleurogona Botryllus sp. Botrylloides sp. Styela monter
RMRG7DGH–. Bulletin - United States National Museum. Science. Figure 22.—a, b, Didemnum (Didemnum) sphaericum, new species: a, spicules, X 940; b, testicular follicle, c, d, Didemnum {^.Didemnum) macrospiculatum, new species: Cy spicule, X 425; d, strongly contracted thorax, posterior side. iired together with mature testis; one testicular follicle, the distal portion of which is remarkably narrowed to give the organ a bulblike shape; proximal portion of vas deferens coils about six times. Remarks.—The soft consistency of the test and the bulb-shaped testicular follicle are the best characteristics of
RMRMP0F2–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. ANNALS OF THE SOUTH AFRICAN MUSEUM. Fig. 29. Spicules. A. Didemnum leopardi sp. nov. B. Didemnum mesembrinum sp. nov. C. Didemnum millari sp. nov. D. Didemnum obscurum. E. Polysyncraton aspiculatum. F. Lissoclinum bilobatum. Scale bars = 10 /*m.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. South African Museum. Cape Town : The
RMRG7668–. Bulletin - United States National Museum. Science. Figs. 10i-106. — Didemnum ternatandm (Gott- schaldt). 104, Spicules from a colony from Uldgan Bay. x 700. 105, Spicules from a col- ony from Station D5136. X 700. 106, Zooid. X 25.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc.
RMRH061B–. Bulletin. Science; Natural history; Natural history. 1971 ASCIDIANS OF SOU I III.UN (:il II oKNIA 117 Order Enterogona A piiilium culifomicuin A. stilidiiin A. pilljlilHjIIIIIII Eiiherdnumki claviforinis Synoictim par-fiistis Didemnum curnulentum Clavelina lutntsinani Distaplia occidental is Cysiodytcs lobatiis Eudistoma psammion Ascidia ceratodes ('iona inlestinalis Diplosotna macdonaldi Order Pleurogona Metandrocarpa taylori Botrylloides sp. Bolryllus sp. Unidentified styelid Styela truncata S. sp. (ho in ha rii) S. gibbsii S. plicata Halocynthia igaboja Pyura haustor En gym arenosa Number
![. A bibliography of the tunicata, 1469-1910. Sea squirts. BIBLIOGEAPHY OF THE TUNICATA. 01 Galton, Joint Charles. 1869. The Structure and Affinities of the Sea-Squirts (Tunicata). Pop. Sci. Bee-tew, VIII, pp. 240-251, pi. xlvii. Gamble, Frederick William. 1896. Notes 011 a Zoological Expedition to Valencia Island, Co. Kerry. Shore-collecting and dredging1. Irish Naturalist, V, pp. 129-136. [p. 134 (Ascidiella aspersa).] Ganin, Nitrofan. 1870. [Observations on the development of Didemnum and Botryllus]. (In Russian.) Progr. Univ. Warschau, 1870, 4, 66 pp., 9 pis. 1870. Neue Thatsacben aus der Stock Photo](https://c8.alamy.com/comp/RHTRB9/a-bibliography-of-the-tunicata-1469-1910-sea-squirts-bibliogeaphy-of-the-tunicata-01-galton-joint-charles-1869-the-structure-and-affinities-of-the-sea-squirts-tunicata-pop-sci-bee-tew-viii-pp-240-251-pi-xlvii-gamble-frederick-william-1896-notes-011-a-zoological-expedition-to-valencia-island-co-kerry-shore-collecting-and-dredging1-irish-naturalist-v-pp-129-136-p-134-ascidiella-aspersa-ganin-nitrofan-1870-observations-on-the-development-of-didemnum-and-botryllus-in-russian-progr-univ-warschau-1870-4-66-pp-9-pis-1870-neue-thatsacben-aus-der-RHTRB9.jpg ". A bibliography of the tunicata, 1469-1910. Sea squirts. BIBLIOGEAPHY OF THE TUNICATA. 01 Galton, Joint Charles. 1869. The Structure and Affinities of the Sea-Squirts (Tunicata). Pop. Sci. Bee-tew, VIII, pp. 240-251, pi. xlvii. Gamble, Frederick William. 1896. Notes 011 a Zoological Expedition to Valencia Island, Co. Kerry. Shore-collecting and dredging1. Irish Naturalist, V, pp. 129-136. [p. 134 (Ascidiella aspersa).] Ganin, Nitrofan. 1870. [Observations on the development of Didemnum and Botryllus]. (In Russian.) Progr. Univ. Warschau, 1870, 4, 66 pp., 9 pis. 1870. Neue Thatsacben aus der Stock Photo")
RMRHTRB9–. A bibliography of the tunicata, 1469-1910. Sea squirts. BIBLIOGEAPHY OF THE TUNICATA. 01 Galton, Joint Charles. 1869. The Structure and Affinities of the Sea-Squirts (Tunicata). Pop. Sci. Bee-tew, VIII, pp. 240-251, pi. xlvii. Gamble, Frederick William. 1896. Notes 011 a Zoological Expedition to Valencia Island, Co. Kerry. Shore-collecting and dredging1. Irish Naturalist, V, pp. 129-136. [p. 134 (Ascidiella aspersa).] Ganin, Nitrofan. 1870. [Observations on the development of Didemnum and Botryllus]. (In Russian.) Progr. Univ. Warschau, 1870, 4, 66 pp., 9 pis. 1870. Neue Thatsacben aus der
RMRG7DKX–. Bulletin - United States National Museum. Science. PACIFIC TUXICATA OF U.S. NATIONAL MUSEUM 63. Figure 20.—a-c, Didemnum (Didemnum) candidum (Savigny); a, common cloacal aperture fringed with lobules, Hawaiian colony; b, patterns made by pigmentless areas around branchial apertures, Palau specimen; c, spicule from colony from the Palau Islands, X 1800. d, Dide7?inum {Didemnum) moseleyi (Herdman): colony heavily pigmented dark brown, common cloacal apertures well defined on white hypoabdominal layer, Palau Islands, sta. 134. e, /, Didemnum {Didemnum) moseleyi f. granulatum Tokioka; e, cloacal
RMRD41X4–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... . Fig. 23. Didemnidae. A zooid af Diplosoma listerianum (orig.), B zooid af Didemnum helgolandicum (efter Carlisle), C zooid af Trididemnum tenerum (efter Carlisle). a anus, e endostyl, m mave, o ovarie, s sædleder, t testikel, x sideorgan. Skala = 500 my. lige for en intensiv produktion af kutikularsubstans og samme opgave vides de såkaldte stoloniale kar at have, som udspringer midt i tarmslyngen og i hvis opsvul- mede terminale dele en livlig sekretion af tunicin er iagttaget. Abdomen indeholder tarmen og kønsorganerne.
![. Dr. H.G. Bronn's Klassen und Ordnungen des Thier-Reichs : wissenschaftlich dargestellt in Wort und Bild. Zoology. Unterscliied der Diplosoma- und Didemnum-'Ko?,^mg. 1039 wie eine typisch pylorisclie Knospe sich bildet, liegt nach Salensky darin, dass bei Diplosoma die drei Seitenschläuche (der vordere Kiemen- schlauch, der hintere Magenschlauch und der linke Darmschlauch) sich einschnüren und jeder in einen dorsalen und ventralen Theil sich sondern, ,,die als Anlagen der entsprechenden Abschnitte des Darm- canals des dorsalen und des ventralen Individuums dienen". âBei Didemmim, we Stock Photo](https://c8.alamy.com/comp/RETCGM/dr-hg-bronns-klassen-und-ordnungen-des-thier-reichs-wissenschaftlich-dargestellt-in-wort-und-bild-zoology-unterscliied-der-diplosoma-und-didemnum-komg-1039-wie-eine-typisch-pylorisclie-knospe-sich-bildet-liegt-nach-salensky-darin-dass-bei-diplosoma-die-drei-seitenschluche-der-vordere-kiemen-schlauch-der-hintere-magenschlauch-und-der-linke-darmschlauch-sich-einschnren-und-jeder-in-einen-dorsalen-und-ventralen-theil-sich-sondern-die-als-anlagen-der-entsprechenden-abschnitte-des-darm-canals-des-dorsalen-und-des-ventralen-individuums-dienenquot-bei-didemmim-we-RETCGM.jpg ". Dr. H.G. Bronn's Klassen und Ordnungen des Thier-Reichs : wissenschaftlich dargestellt in Wort und Bild. Zoology. Unterscliied der Diplosoma- und Didemnum-'Ko?,^mg. 1039 wie eine typisch pylorisclie Knospe sich bildet, liegt nach Salensky darin, dass bei Diplosoma die drei Seitenschläuche (der vordere Kiemen- schlauch, der hintere Magenschlauch und der linke Darmschlauch) sich einschnüren und jeder in einen dorsalen und ventralen Theil sich sondern, ,,die als Anlagen der entsprechenden Abschnitte des Darm- canals des dorsalen und des ventralen Individuums dienen". âBei Didemmim, we Stock Photo")
RMRETCGM–. Dr. H.G. Bronn's Klassen und Ordnungen des Thier-Reichs : wissenschaftlich dargestellt in Wort und Bild. Zoology. Unterscliied der Diplosoma- und Didemnum-'Ko?,^mg. 1039 wie eine typisch pylorisclie Knospe sich bildet, liegt nach Salensky darin, dass bei Diplosoma die drei Seitenschläuche (der vordere Kiemen- schlauch, der hintere Magenschlauch und der linke Darmschlauch) sich einschnüren und jeder in einen dorsalen und ventralen Theil sich sondern, ,,die als Anlagen der entsprechenden Abschnitte des Darm- canals des dorsalen und des ventralen Individuums dienen". âBei Didemmim, we
RMRMRDW3–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 2. A. Polyclitor africanus, Durban outer anchorage. B. Cystodytes dellechiajei, under rock on intertidal pool, False Bay. C. Distaplia skoogi, Miller's Point, False Bay, 15 m. D. Sycozoa arborescens, intertidal cave in Old Harbour, Hermanus. E. Sigillina digitata, in rock pool, False Bay. F. Clavelina lepadiformis, Knysna Estuary, growing on jetty. G. Trididemnum cerebriforme, Oudekraal, Cape Peninsula, 0-15 m. H. Didemnum globiferum sp. nov., Kommetjie, Cape Peninsula, intertidal.. Please note
RMRG7DFD–. Bulletin - United States National Museum. Science. 76 UNITED STATES NATIONAL IVIUSEUM BULLETIN 251. Figure 24.—a, Didemnum {Didemnum) dorotubu, new name: right side of larva from a Philippine colony, b-e, Didemnum {Didemnum) misakiense (Oka & Willey): b, colony from Philippine Islands, X 1.5; c, schema showing longitudinal section of mammillary process of same; d, e, very short and bifid atrial languet {1) of zooids of same colony, posterior side (d.g.= dorsal ganglion). /, Didemnum {Didemnum) ternatanum (Gott- schaldt): the 41 mm. wide colony from Palau Islands, sta. 67.. Please note th
RMRMYM5T–. Annales des sciences naturelles. Zoology; Biology. Fig. 105. — Figure deini-théorique destinée à montrer l'origine des parties dan? le bourgeonnement entéro-épicardique des Didemnum. — 1. A, orifice afférent encore clos; en, endostyle ; œ, œsophage; ba, bourgeon stomacal; e, estomac; c, cœur; te, tubes épicardiques soudés à leur extrémité supérieure pour cons- tituer le bourgeon branchial bb; br, bourgeon rectal; r, rectum ; E, orifice affé- rent;.!?, branchie. — 2. Figure demi-théorique représentant une phase ulté- rieure du développement. Mêmes lettres; le bourgeon ba adonné l'ébauche de l
RMRGT63X–. Bulletin biologique de la France et de la Belgique. Biology; Natural history. 284 GEORGES DAUMEZON. chambres sont bien protégés, mais ceux qui se trouvent à la surface libre ne le sont pas mieux que chez LeptocUnum Lacazei GlARD.. FiG. 1. â Coupe transversale à travers un cormus entier de Didemnum fallax var. osctdiferum. n. v. Gr. nat.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Université de Paris. Laboratoire d
RMRED7EH–. Comptes rendus des séances de la Société de biologie et de ses filiales. Biology. SÉANCE DU 16 JUIN 1171 viscérales seules sont pigmentées et donnent par transparence la colo- ration générale bleu sombre de la colonie. Sur les mêmes fonds que cette forme, on trouve une autre espèce que je crois être nouvelle et qui présente chez les Didemnidés le plus haut degré de différenciation protectrice. Je l'appellerai : Didemnum pro- tectiim n. sp.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of
![. Bulletin - United States National Museum. Science. PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 73. â ^"^-^ ' t^ CI Figure 23.âDidemnum (Didemnum) siphonale, new species: a, central part of colony showing common cloacal aperture; b, finger-shaped prominences on surface of some colonies; c, spicules, X 1800; d, schema showing the section of colony; e, right side of a zooid, X 100. abdominal layer; thus abdomens of one to a few zooids are almost entirely surrounded by lacunae, as in species of the genus Le-ptoclmum (fig. 23d^). Zooids large; thorax about 450/a in a strongly contracted state, Stock Photo](https://c8.alamy.com/comp/RG7DFY/bulletin-united-states-national-museum-science-pacific-tunicata-of-us-national-museum-73-quot-t-ci-figure-23didemnum-didemnum-siphonale-new-species-a-central-part-of-colony-showing-common-cloacal-aperture-b-finger-shaped-prominences-on-surface-of-some-colonies-c-spicules-x-1800-d-schema-showing-the-section-of-colony-e-right-side-of-a-zooid-x-100-abdominal-layer-thus-abdomens-of-one-to-a-few-zooids-are-almost-entirely-surrounded-by-lacunae-as-in-species-of-the-genus-le-ptoclmum-fig-23d-zooids-large-thorax-about-450a-in-a-strongly-contracted-state-RG7DFY.jpg ". Bulletin - United States National Museum. Science. PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 73. â ^"^-^ ' t^ CI Figure 23.âDidemnum (Didemnum) siphonale, new species: a, central part of colony showing common cloacal aperture; b, finger-shaped prominences on surface of some colonies; c, spicules, X 1800; d, schema showing the section of colony; e, right side of a zooid, X 100. abdominal layer; thus abdomens of one to a few zooids are almost entirely surrounded by lacunae, as in species of the genus Le-ptoclmum (fig. 23d^). Zooids large; thorax about 450/a in a strongly contracted state, Stock Photo")
RMRG7DFY–. Bulletin - United States National Museum. Science. PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 73. â ^"^-^ ' t^ CI Figure 23.âDidemnum (Didemnum) siphonale, new species: a, central part of colony showing common cloacal aperture; b, finger-shaped prominences on surface of some colonies; c, spicules, X 1800; d, schema showing the section of colony; e, right side of a zooid, X 100. abdominal layer; thus abdomens of one to a few zooids are almost entirely surrounded by lacunae, as in species of the genus Le-ptoclmum (fig. 23d^). Zooids large; thorax about 450/a in a strongly contracted state,
RMRMRDT0–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 3. A. Didemnum leopardi sp. nov., Sodwana Bay, 14-15 m. B. Didemnum obscurum, Sodwana Bay, 15 m. C. Didemnum rodriguesi, Sodwana Bay, intertidal to 22 m. D. Polysyncraton aspiculatum, Sodwana Bay, 14-15 m. E. Polysyncratom millepore, Sodwana Bay, 8-12 m. F. Ascidia caudata, False Bay, low intertidal. G. Botryllus closionis sp. nov., Sea Point, Cape Town, in low intertidal pool. H. Botryllus elegans, growing on fronds of Epymenia obtusa in intertidal rock pool, Sea Point, Cape Town.. Please note
RMREKKFP–. Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen. Animals. 5ig. «49. Botr.vHoides rubrum, in % ber natürlichen Qirö§c.. Jig. «50. a SaIIFör^^crc^en »on Didemnum cereum, b t>cn Didemnum sargassicöla, e bon Didemnum niveum, d »cn Leptoclinum gelatinösum. 1) eine Heine ZxmU (ßöxpü;). 2) mit Sternen (Stella Stern). 3) inolctt. 4) Smaraab 5) Botryllus = förmig. 6) rotf;. 7) Didemnum = äf)nli(^e.. Please note that these images are extracted from scanned page images
RMRG7DK0–. Bulletin - United States National Museum. Science. Figure 21.—Didemnum {Didemnum) nekozita, new species: a, 4 mm. colony from the Palau Islands, sta. 25; b-f, variously shaped prominences on surface of colonies from same locality; g, spicules from colonies from same locality; h, right side of thorax from colony from Palau Islands, sta. 35; i, right side of abdomen from colony from Palau Islands, sta. 25; j, right side of abdomen from colony from Palau Islands, sta. 35. Pailtypes.—USNM 11801, same data as holotype, 34+ speci- mens.—USNM 11418, Palau Islands: Peleliu boat channel between Ngar
RMREM1BN–. Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen. Zoology. ivig. 049. Botrylloides rubrum, in '% ber natürlici)en @rc§e. ober abdoinen) jerföHt. ig. 650.). 4 ©attungen mit. b c 5tg. 050. a ÄaltfcrtJcrc^en öon Dideinnum cereum, b l5on Didemnum sargassicöla, c üon Didemnum niveum, d öon Leptoclmum gelatinösum. 1) eine fteine Sraube (?6tpus). 2) mit (Sternen (Stella Stern). 3) biciett. 4) Smaragb. 5) Botryllus = förmig. 6) rctf). 7) Didemnum »äl^nlic^e.. Please not
RMRG7685–. Bulletin - United States National Museum. Science. ASCIDIANS OF THE PHILIPPINES—VAN NAME. 151 of Didemnum ternatanum except for their larger size. (See fig. 101.) These colonies are from: No. 7. Station D5145 (near Jolo Light, Feb. 15, 190S, 23 fathoms, coral, sand, and shell). Rather large colony (pi. 30, fig. 23) (Cat. No. 5S82, U.S.N.M.). No. 15. Station D5147 (off Snlade Island, Sulu Archipelago, Feb. 16. 1008, 21 fathoms, coral, sand, and shells). (Cat. No. G022, U.S.N.M.) A rather large colony received from the University of the Philip- pines and collected by Dr. L. E. Griffin and Mr.
RMRGMTKH–. Bulletin du MuseÌum d'histoire naturelle. Natural history. â 72 surface de l'intestin moyen, occupé maintenant par les Åufs violets du parasite. Tous deux {i^.fol. test.), très déprimés, sont complètement trans- parents et vides; on suit encore le spermiducte {sd), dont le réservoir séminal n'est plus indiqué que par un léger renflement. Eiiterocola 'ptcrophora parasitait également plusieurs connus de Didem- num {Leptochnum) fulgens et de Didemnum [LeptocUnum) aspenim-macula- tum dragués non loin du Laboratoire Arago devant la falaise allant de l'anse du Troque au Gap l'Abeille. D
RMRGTD4X–. Bulletin biologique de la France et de la Belgique. Biology; Natural history. SUR LES ASCIDIES COMPOSÃES. 111 les deux individus, progéniteur et blastozoïde, se séparent faci- lement. Sur le dernier a déjà commencé la formation de bourgeons nouveaux. Les Didemnimi et Leptoclinum présentent des faits absolument identiques (^). (1) Pendant la correction des épreuves de ce travail, a paru un nouveau mémoire de Salensky (99, Beltr. sur Entw. der Sijnascidieti. â 2 Ueber die Entioicklung von Didemnum niceum; 3 Ãllg. Theil. â Mitth a. d. z. St. Neapel T. 11 ISG.'i), que l'auteur a eu l'ama
![. Bulletin biologique de la France et de la Belgique. Biology; Natural history. FiG. 1. â Coupe transversale à travers un cormus entier de Didemnum fallax var. osctdiferum. n. v. Gr. nat.. FiG. 2. â Coupe transversale à travers un cormus en- tier de LeptocUnum pro- tectum. Daumézon L'espèce LeptocUnum jDrotectum Daumézon [1908 c] offre une protection plus efficace et égale pour tous les individus. Elle y parvient en réunissant des processus que nous avons déjà constatés séparément chez les espèces inférieures. Si l'on pratique une coupe transversale à travers le cormus on aperçoit Stock Photo](https://c8.alamy.com/comp/RGT638/bulletin-biologique-de-la-france-et-de-la-belgique-biology-natural-history-fig-1-coupe-transversale-travers-un-cormus-entier-de-didemnum-fallax-var-osctdiferum-n-v-gr-nat-fig-2-coupe-transversale-travers-un-cormus-en-tier-de-leptocunum-pro-tectum-daumzon-lespce-leptocunum-jdrotectum-daumzon-1908-c-offre-une-protection-plus-efficace-et-gale-pour-tous-les-individus-elle-y-parvient-en-runissant-des-processus-que-nous-avons-dj-constats-sparment-chez-les-espces-infrieures-si-lon-pratique-une-coupe-transversale-travers-le-cormus-on-aperoit-RGT638.jpg ". Bulletin biologique de la France et de la Belgique. Biology; Natural history. FiG. 1. â Coupe transversale à travers un cormus entier de Didemnum fallax var. osctdiferum. n. v. Gr. nat.. FiG. 2. â Coupe transversale à travers un cormus en- tier de LeptocUnum pro- tectum. Daumézon L'espèce LeptocUnum jDrotectum Daumézon [1908 c] offre une protection plus efficace et égale pour tous les individus. Elle y parvient en réunissant des processus que nous avons déjà constatés séparément chez les espèces inférieures. Si l'on pratique une coupe transversale à travers le cormus on aperçoit Stock Photo")
RMRGT638–. Bulletin biologique de la France et de la Belgique. Biology; Natural history. FiG. 1. â Coupe transversale à travers un cormus entier de Didemnum fallax var. osctdiferum. n. v. Gr. nat.. FiG. 2. â Coupe transversale à travers un cormus en- tier de LeptocUnum pro- tectum. Daumézon L'espèce LeptocUnum jDrotectum Daumézon [1908 c] offre une protection plus efficace et égale pour tous les individus. Elle y parvient en réunissant des processus que nous avons déjà constatés séparément chez les espèces inférieures. Si l'on pratique une coupe transversale à travers le cormus on aperçoit
RMRED7EF–. Comptes rendus des séances de la Société de biologie et de ses filiales. Biology. FiG. 1. FiG. 2. Les colonies sont d'une couleur noir intense pointillées de blanc par les spicules superficiels et forment des masses arrondies de 1 à 3 centi- mètres d'épaisseur. Les quatre rangées de fentes branchiales empêchent de confondre cette espèce avec Didemnum fallax, Lahille, auquel elle ressemble le plus. Si Ton coupe transversalement le cormus (fîg. 2), on aperçoit : du côté du support, une très épaisse couche de tunique com- prise entre deux zones et excessivement riches en spicules
![. Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern. Gauss (Ship); Scientific expeditions; Antarctica. Hartmeyer, Ascidien. Farn. Polycitoridae [Distomidae]. Gen. Polycitor Wistoma']. Polycitor glareosus (Sluit.). Gen. Holozoa [Distaplia s. Julinia]. Holozoa cylindrica Less. Gen. Sycozoa [Colella]. Sycozoa sigillinoides Less. Farn. Didemnidae. Subfam. Didemninae. Gen. Didermium [Leptoclinum]. Didemnum biglans (Sluit.). Didemnum glaciale (Herdm.). Didemnum spec. (Herdm.). Subfam. Coelocorminae. Fehlt. Farn. Synoicidae [Polyclinidae]. Subfam. Synoicinae. - Gen. Poly Stock Photo](https://c8.alamy.com/comp/RCT67E/deutsche-sdpolar-expedition-1901-1903-im-auftrage-des-reichsamtes-des-innern-gauss-ship-scientific-expeditions-antarctica-hartmeyer-ascidien-farn-polycitoridae-distomidae-gen-polycitor-wistoma-polycitor-glareosus-sluit-gen-holozoa-distaplia-s-julinia-holozoa-cylindrica-less-gen-sycozoa-colella-sycozoa-sigillinoides-less-farn-didemnidae-subfam-didemninae-gen-didermium-leptoclinum-didemnum-biglans-sluit-didemnum-glaciale-herdm-didemnum-spec-herdm-subfam-coelocorminae-fehlt-farn-synoicidae-polyclinidae-subfam-synoicinae-gen-poly-RCT67E.jpg ". Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern. Gauss (Ship); Scientific expeditions; Antarctica. Hartmeyer, Ascidien. Farn. Polycitoridae [Distomidae]. Gen. Polycitor Wistoma']. Polycitor glareosus (Sluit.). Gen. Holozoa [Distaplia s. Julinia]. Holozoa cylindrica Less. Gen. Sycozoa [Colella]. Sycozoa sigillinoides Less. Farn. Didemnidae. Subfam. Didemninae. Gen. Didermium [Leptoclinum]. Didemnum biglans (Sluit.). Didemnum glaciale (Herdm.). Didemnum spec. (Herdm.). Subfam. Coelocorminae. Fehlt. Farn. Synoicidae [Polyclinidae]. Subfam. Synoicinae. - Gen. Poly Stock Photo")
RMRCT67E–. Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern. Gauss (Ship); Scientific expeditions; Antarctica. Hartmeyer, Ascidien. Farn. Polycitoridae [Distomidae]. Gen. Polycitor Wistoma']. Polycitor glareosus (Sluit.). Gen. Holozoa [Distaplia s. Julinia]. Holozoa cylindrica Less. Gen. Sycozoa [Colella]. Sycozoa sigillinoides Less. Farn. Didemnidae. Subfam. Didemninae. Gen. Didermium [Leptoclinum]. Didemnum biglans (Sluit.). Didemnum glaciale (Herdm.). Didemnum spec. (Herdm.). Subfam. Coelocorminae. Fehlt. Farn. Synoicidae [Polyclinidae]. Subfam. Synoicinae. - Gen. Poly
RMRCRYAF–. Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern. Gauss (Ship); Scientific expeditions; Antarctica. V /rV iitnrq Kcimor. Fig 1-4 Atopogasler incerta n sp Fig5-9 Didemnum Leptoclinum biglans Slult Fig 10-12 Caesira Molgula; pyriFormis 'Herdm Flg 13-19 Oligocarpa megalorchis n gen n sp.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Deutsche Südpolar-Expedition (1901-1903); Drygalski, Erich
RMRCT632–. Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern. Gauss (Ship); Scientific expeditions; Antarctica. Deutsche Südpolar-Expedition 1901-3 Band XII Tafel xlvi. Ascidien der Antarktis Fig 1-2 Sycozoa äff sigiüinoides Less. Fig 3 Amaroucium caeruleum Sluit. Fig 4 Corynascidia sutimi Herdm. Fig SAplidium vanhöffeni n. sp. Fig 6 Holozoa cylindrica Less juv. Fig 7 Didemnum biglans iSluit). Fig.8 tlolozoa cylindnca Less Fig. 9 Didemnum biglans iSluit.l. Fig 10 Holozoa cylindrica Less.juv. Please note that these images are extracted from scanned page images that may have
RMRD1PBD–. Danmarks fauna; illustrerede haandbøger over den danske dyreverden... 65 tallag i højde med zooidernes thorax og består af et net af snart snævre, snart vide kanaler. Zooidernes placering i kolonien er ganske vilkårlig. De er i konserveret materiale 1,5-1,7 mm lange og tydeligt delt i thorax og abdomen. Kappeåbningen er ret snæver, dens øvre rand trukket ud i en sædvanligvis smal og ret langstrakt. Fig. 25*. Didemnum albidum, koloni. atrialtunge. Sideorganet er hos nogle zooider et ovalt parti på siden af thorax, hos andre ganske uanseligt. Der er 16 mund- tentakler og 4 rækker gællespalter.
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