THE CANCROID CRABS OF AMERICA 503 



only 4, and in caribaeus 5 with the second insignificant and the third, 

 fourth, and fifth equal and with stout spinulous bases; (2) by the edge 

 of the front finely and numerously granulate; and (3) by the greater 

 number of spines on the dorsal surface of the antero-lateral region. 



Range. — Bahamas and Florida Keys. 



Material examined. — 



BAHAMAS.— Golding Key, Andros Island; May 13, 1912; Paul 

 Bartsch; 1 young female (60205). 



FLORIDA.— Hawk Channel; half a mUe SE. by S. of SE. end of 

 Duck Key; 2.25 fathoms; rky. ; temperature 24.5° C; January 27, 

 1903; station 7429, Fish Hawk; 1 female (60204). 



Key West; Union College collection; 2 males (42815), 1 male 

 (42816). 



Tortugas; through W. L. Schmitt; gift of Carnegie Institution: S. 

 end of Loggerhead Key; from large rock 2 feet by 18 inches by 18 

 inches; August 10, 1924; W. H. Longley, collector; 1 female, holotype 

 (62569). Off N. end of Loggerhead Key; by dynamite; from stomach 

 of fish No. 19, schoolmaster, Neomaenis apodus (Walbaum); June 5, 

 1925; W. L. Schmitt collector; 1 male (60955). 



PILUMNUS SPINOraRSUTUS (Lockington) 



Plate 203 



Acanthus spino-hirsutus Lockington, Proc. California Acad. Sci., vol. 7, 1876 



(1877), p. 33 [6] (type-locality, San Diego; type not extant), and p. 102 [8] 



(part) . 

 Pilumnus spino-hirsutus Streets and Kingsley, Bull. Essex Inst., vol. 9, 1877, 



p. 107 (part). 

 Pilumnus spinohirsutus Rathbun, Harriman Alaska Exped., vol. 10, 1904, p. 



185 (part), not pi. 7, fig. 2; Proc. U. S. Nat. Mus., vol. 38, 1910, p. 585 (part); 



Bull. Amer. Mus. Nat. Hist., vol. 48, 1923, p. 623, pi. 27. 



Diagnosis. — Width of carapace (exclusive of spines) nearly 1}^ times 

 length. Antero-lateral spines 5, the first interspace shorter than the 

 others. No subhepatic spine, sometimes small spinules. In male, 

 half of outer surface of major palm is smooth and naked, this area 

 bounded by an oblique line. 



Description. — Dorsal surface of carapace and appendages covered 

 with long hairs except the hinder part of the carapace; carapace and 

 ambulatory legs have also a short coat of pubescence. Carapace very 

 convex antero-posteriorly, slightly convex from side to side. Frontal 

 lobes truncate, slightly oblique, 3-spined. Antero-lateral margins 

 armed with long spines, orbit and front with shorter spines; lateral 

 spines 5, the first or orbital spine a little shorter than the others, the 

 space between fu'st and second less than the other spaces, the bases 

 of these two spines being often contiguous, so that they appear like 

 one deeply bifid spine. The third spine has a tendency to produce a 

 posterior branch. Subhepatic spine wanting, in its place there may 

 be some small spinules. 



