THE GKAPSOID CBABS OF AMERICA. 345 



Old Providence Island; 1884; Albatross; 1 female (7331), 3 speci- 

 mens (7532). 



Colon (Aspinwall), Panama; J. Rowell; 3 specimens (2011), 

 Toro Point, Canal Zone, Panama; Meek & Hildebrand, Smith- 

 sonian Biol. Survey of the Panama Canal: April 4, 1911; 4 males, 



1 female (44171). May 19, 1911; 2 males, 2 females (4-1170). 

 Sabanilla, Colombia; March 16-22, 1884; Albatross; 3 males, 5 



females (7561). 



Santa Marta, Colombia; C. F. Baker; 1 male (22549). 



Cm'acao; February 10-18, 1884; Albatross; 1 female (7581). 



Macuto, Venezuela ; August 5, 1900 ; Lyon and Robinson ; 1 female 

 (23796). 



Guanta (near Barcelona), Venezuela; June 29, 1895; Lieut. Wirt 

 Robin.son; 1 male (18821). 



Rio Formosa, Pernambuco, Brazil; 1876-1877; R. Rathbun, Hartt 

 Explorations; 1 female ovig. (40577). 



Ilha Sebastiao, Sao Paulo, Brazil; 1896; Bisego, collector: re- 

 ceived from H. von Ihering, Mus. S. Paulo; 1 male (47849). 



CARDISOMA CRASSUM Smith. 

 MOUTHLESS CRAB (Cober). 



Plates 108 and 109. 



Cardiosoma crassum Smith, Trans. Connecticut Acad. Arts and Sci., vol. 2, 

 1870, p. 144, pi. 5 (type-locality, Gulf of Fonseca : type in Mus. Comp. 

 .Zool.). 



Cardiosoma latimanus Lockington, Proc. California Acad. Sci., vol. 7, 1876 

 (1877), p. 151 [71, (type-locality, La Paz, Lower California; type not 

 extant ) . 



Diagnosis. — First abdominal appendages in male terminating in 



2 slender appendages. Legs very hairy. 

 Descrijjtion. — Differs little from the preceding. 



Orbits, viewed from in front, less high as compared with their 



length, than in guanhumi; outer ,^ — 



orbital tooth more advanced ; epi- 



branchial tooth more elevated. — ^. ^ 



The extremities of the first pair ■^^->^^ 



of male abdominal appendages ^^ "Aa \^ ^^' 



are slightly flattened laterally, fig. i5G.-'Cardisoma cuassum, fhont 



thickly clothed with hair on the ^'^^ °^ o^im^M. and axtexnal reoion 



^ . y . . . -, , , OB- MALE (2137), X li. 



outside and terminated by a long, 



slender, hard, and horny tip, which curves outward for nearly 

 half its length, then rapidly upward, and again outward at the 

 end, forming thus about the third of a very elongated spiral. From 

 the under edge, just below the base of this horny tip, there is a 



