. Allan Hancock Pacific expeditions. [Reports]. Scientific expeditions. PART 1 GARTH : PACIFIC OXYRHYNCHA 73 egg cavity, . . female abdomen strongly indurated, outer surface covered with closely set granules. (Stimpson, modified slightly) Cheliped of male more robust than that of female; palm high, tapering distally, inner surface granulate, outer surface smooth and bare; fingers slender, gaping in a broad oval for basal three-fifths, touching along crenulate edges for distal two-fifths; propodus noticeably convex, a low molariform tooth in gape on 4. Lower orbits of Collodes specie
. Allan Hancock Pacific expeditions. [Reports]. Scientific expeditions. PART 1 GARTH : PACIFIC OXYRHYNCHA 73 egg cavity, . . female abdomen strongly indurated, outer surface covered with closely set granules. (Stimpson, modified slightly) Cheliped of male more robust than that of female; palm high, tapering distally, inner surface granulate, outer surface smooth and bare; fingers slender, gaping in a broad oval for basal three-fifths, touching along crenulate edges for distal two-fifths; propodus noticeably convex, a low molariform tooth in gape on 4. Lower orbits of Collodes species. A. C. granosus, x B. C. tumidus, x tenuirostris, x (For C. gibbosus see Plate C, fig. 4; for C. robsonae see Plate D, fig. 6). Material examined: A total of 132 specimens from 26 Hancock stations, of which 10 were in the southern part of the Gulf of California, including Isabel Island. (See Table 7) From near Punta Piaxtla, Sinaloa, to Santa Elena Bay, Ecuador, but conspicuously absent from the offshore islands. In addition three Askoy specimens from half a degree south of the Equator (Garth, 1948, p. 23). Measurements: Female neotype: length mm, width mm. Largest specimen, a male: length mm, width mm. Color in life: Carapace white, lightly covered with dull yellowish brown. A violet gray area on gastric region and around [gastric] spine. A violet gray area around large [cardiac] spine. Eye dark blackish purple. Ambulatory legs white. Ventral side pale smoke gray with pure white granules on abdomen. (Petersen, of a female from Secas Islands, Panama) Habitat: A primary breakdown of bottom types at stations from which this species was obtained by dredging shows sand 50 per cent, mud 22 per cent, coral and coralline 18 per cent, and rock 10 per 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 perfect
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