Recognition characters. — Surface of body and 

 legs covered with rough vermiculations, with 

 furrows or cavities between them narrow, making 

 a regular pattern and giving body an eroded ap- 

 pearance; elevated portions between furrows or 

 cavities formed by masses of small granules 

 crowded together producing rough surface in 

 young and half-grown individuals, but variably 

 worn smooth in old ones; margins of cavities 

 with short pubescence. Carapace areolated, but 

 divisions obscured to large extent by character of 

 surface; lateral boundaries of gastric region and 

 median suture from front to middle of gastric 

 region deep. Front steeply inclined, median lobes 

 evenly rounded, margins granulate. Ischium of 

 third maxilliped with deep, longitudinal, central 

 groove. 



Chelae short and broad, upper surface divided 

 by furrows into transverse tuberculate ridges, 

 outer surface divided into longitudinal tuber- 

 culate ridges; fingers short, deeply grooved, even 

 toothed; dactyls tuberculate at base on upper 

 side. Walking legs with hairy edges, dactyls 

 pubescent. 



Measurements. — Carapace: male, length, 39 

 mm. ; width, 54 mm. 



Color. — Eathbun (1930a) described a specimen 

 in formalin as cream white with blotches and 

 small spots of bright red, color especially per- 

 sistent on walking legs, with dactyls red at base 

 and yellowish distally. 



Habitat. — The species has been taken from 

 rocks and the alga Halimeda in shallow water, 

 from coarse sand, and from sponges and coral 

 reefs in deeper water. Low-tide mark to 37 

 fathoms. 



Type locality. — Florida. 



Known range. — Cape Lookout, N.C., to 

 Yucatan; through West Indies to Guadeloupe. 



Remarks. — Ovigerous females have been taken 

 off northeast Florida in January. 



Genus Carpoporus Stimpson, 1871 



Rathbun, 1930a, p. 269.— Hemming, 1958b, p. 14. 



Carpoporus papulosus Stimpson 



Figure 168, 183B 



Carpoporus papulosus Stimpson. 1871a, p. 139.— Rathbun. 

 1930a, p. 269, pi. 110, figs. 3-6, pi. Ill (rev.). 



h'( cognition characters. — Carapace subhexago- 

 nal, ncn rly as long as broad, naked above ; regions 



Figure 168. — Carpoporus papulosus Stimpson. A, animal 

 in dorsal view, legs of left side not shown ; B, oheliped 

 in frontal view partially extended ; 3 mm. indicated. 



protuberant, somewhat wartlike and granulated, 

 gastric and epibranchial regions prominent. Two 

 or three small, spiniform lateral teeth, interspaces 

 armed with denticles. Front strongly projecting 

 at middle, bilobed, margin concave, inner end 

 rectangular, outer end spiniform. Peduncle of 

 eye granulated; orbit with margin granulate 

 above. Exposed surface of third maxilliped with 

 beadlike granules. 



Chelipeds when retracted having a large hole 

 between carpus and hand for passage of water 

 to afferent branchial apertures; inner surface of 

 hand witli two unequal peglike spines near middle 

 forming a kind of filter in front of branchial 

 opening; carpus and hand sculptured externally 

 with granulated protuberances, arranged in four 

 or five serial rows on hand; hand serrate above 

 with four teeth partially joined; fingers stout, 

 short. Walking legs hairy below. 



Measurements. — Carapace: male, length, 13 

 mm.; width, 16 mm. 



Habitat. — Eighteen to 62 fathoms. 



Type localities. — Southwest of Tortugas, and 

 off Carysfort Reef, [Fla.]. 



Knovm range. — Between Capes Hatteras and 

 Lookout, N.C. ; Cape Catoche, Yucatan, Mexico. 



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FISH AND WILDLIFE SERVICE 



