RM2AFRENM–. Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 : under the command of Captain George S. Nares, R.N., F.R.S. and Captain Frank Turle Thomson, R.N.. ^; x 15. Fig. 3. Vertical section of the exterior part of the skeleton, with the loose spiculesin natural position ; x 50. Fig. 4. Dermal pentact with kuol^bed tangential rays ; x iOO. Figs. 5, 6. Discohexasters with long terminal rays ; x 450. TheVoyage of H.M.S.,.Challenger Hexactmelhda.Pl.XCK.. F E Schulze and G Firtoch del Iilh SniLvWetnersV; •??- ^- -^•?ii/n DACTYLOCALYX SUBGLOBOSUS, J E Gray. PLA
RMRGFT59–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Fig. 522. — Aphrocallistes Bocagei. f. which has been dredged by the " Blake " in depths of from 164 to 400 fathoms. It is also found in the eastern basin of the North Atlantic. The network appears to be formed by the co- alescence of stellate spicules. These sponges are often attached to corals and soldered together, so as to form large convo- luted masses. Dactylocalyx is one of the most characteristic of the Caribbean types. The shape of Dactylocalyx pumi- ceus (Fig. 523) varies from that of a cu
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