THE CANCROID CRABS OF AMERICA 



167 



armed with spinules; antero-lateral spines three, third the longest; 

 postero-lateral two; small spines along posterior margin. Front with 

 three slender spines of equal width at base, directed forward (tips 

 broken off). Orbital spines very slender, spinuliferous, preocular 

 having a small spine at base on outer side. Segments of male abdo- 

 men all distinct; first and second with a few small spines or spinules. 

 Chelipeds small, nearly equal, the right large; setose; arm not 

 exceeding carapace, lower and outer margin spinulous; outer surface 

 of wrist and hand spinulous, larger spines at inner angle of wrist 

 and along upper margin of hand. Legs rather long and slender, 

 pubescent, bearing spinules except on the dactyli. 



Figure 26.— Tkachtcarcinus spixulifer, male, holottpe, dorsal FiarRE 27.— Trachy- 



VIEW. X Us CARCINUS SPINU- 



UFER, MALE, HOLO- 

 TTPE, OUTER MAX- 

 ILLIPED, X 5 



Measurements. — Male, holotype, length to base of frontal spines 

 26, width exclusive of spines 23.3, width inclusive of spines 34 mm. 

 Larger carapace (20596), length to base of frontal spines 40.6, width 

 exclusive of spines 38.6, width inclusive of spines (tips broken ^off) 

 50.4 mm. 



Range. — Gulf of Mexico, 324 to 347 fathoms. 



Material examined.— G\x\i of Mexico; 1885; Albatross: SE. of Pensa- 

 cola, Florida; lat. 28° 36' 15" N., long. 86° 50' 00" W.; 347 fathoms; 

 gy. M.; temperature 44.1° F.; March 13; station 2395, 1 carapace 

 (20596). S. of Alabama; lat. 29° 03' 15" N., long. 88° 16' 00" W., 

 324 fathoms; gy. M.; temperature 46.5° F.; February 11; station 

 2376; 1 male, holotype, and 1 carapace (9639). 



Genus TRICHOPELTARION A. Milne Edwards 



Tricho'peUarion A. Milne Edwards, Bull. Mus. Comp. Zool., vol. S, 1880, p. 19; 

 type, T. nobile A. Milne Edwards. — Faxon, Mem. Mus. Comp. Zool., vol. 

 18, 1895, p. 25. 



