. Allan Hancock Pacific expeditions. Scientific expeditions. COMPLETE HAIG: EASTERN PACIFIC PORCELLANIDAE 177. Text-fig. 5. Basal segment of right antennule of 1, Clastotoechus diffractus, x 17; 2, C. vanderhorsti, x 26; 3, C. nodosus, x 56. nal crest, granules of crest somewhat larger and more flattened; pos- terodistal angle produced into a curved spine. Manus and fingers cov- ered with granules and pubescence as in carpus; outer margin of manus with a low rounded crest extending onto pollex, along it a row of small granules sometimes produced into spinules; outer margin approximately to bas

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. Allan Hancock Pacific expeditions. Scientific expeditions. COMPLETE HAIG: EASTERN PACIFIC PORCELLANIDAE 177. Text-fig. 5. Basal segment of right antennule of 1, Clastotoechus diffractus, x 17; 2, C. vanderhorsti, x 26; 3, C. nodosus, x 56. nal crest, granules of crest somewhat larger and more flattened; pos- terodistal angle produced into a curved spine. Manus and fingers cov- ered with granules and pubescence as in carpus; outer margin of manus with a low rounded crest extending onto pollex, along it a row of small granules sometimes produced into spinules; outer margin approximately to base of pollex almost invariably provided with a thick brush of fine plumose hairs in females, devoid of this brush in males. Fingers rather long and slender, meeting entire length or slightly gaping, gape with a slight trace of pubescence. Walking legs rugose, all segments with long non-plumose setae and anterior margins with a fringe of short plumose hairs. Material examined: Cabo San Lucas, Gulf of California; J. Xantus, collector; eight males, five females (two ovigerous), one young (Mu- seum of Comparative Zoology Cat. Nos. 1375 and 8019). Cove west of Squall Point, Bahia Tenacatita, Mexico, shore; Feb- ruary 5, 1954; Velero IV station 2600-54, J. S. Garth, collector; one ovigerous female. San Lorenzo Rocks, Acapulco, Mexico, shore; January 30, 1954; Velero IV station 2591-54, J. S. Garth, collector; male, holotype (Allan Hancock Foundation Cat. No. 542), and three males and four ovigerous females, paratypes.. 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.. Allan Hancock Foundation. Los Angeles : Allan Hancock Foundation for Scientific Research, University of Southern Calif. Press