422 BULLETIN 97, UNITED STATES NATIONAL MUSEUM, 



Parahyba River, Brazil; mangroves; June 21, 1899; Branner- 

 Agassiz Exped. ; 1 male (25701). 



Pernambiico, Brazil; 1876-1877; R. liathbun; 14 males, 3 females 

 (40617). 



? Pernambiico, Brazil ; 1876-1877; R. Rathbun; 12 males, 7 females 

 (40618). 



Bahia, Brazil; sea shore; May, 1915; J. N. Rose; 3 males, 3 females 

 (48297). 



Plataforma, Bahia, Brazil; 1876-1877; R. Rathbmi; 17 males, 9 

 females (40615-40616). 



Porto Seguro, Brazil; Thayer Exped.; 3 males, 1 female (22189). 



Rio de Janeiro, Brazil; Dr. Naegeli; 1 male, 1 female (22317). 



Maruim, Brazil; Sept. 9, 1863; Hygom, collector; 4 males (22318) ; 

 many specimens in Copenhagen Mus., labeled " G. Hygomi Ltk." 



S. Sebastiao, Sao Paulo, Brazil; 1896; Bisego, collector; 1 male 

 (47850). 



Santos, Brazil; 2 specimens (Copenhagen Mus.). 



UCA LATIMANUS (Rathbun). 



Plate 157. 



Gelasimus stenodactylus ? Lockington, Proc. California Acad. Sci.. vol. 7. 



1876 (1877), p. 148 [4]. 

 Gelasimus latimanus Rathbitn, Proc. U. S. Nat. Mus., vol. 16, 1893, p. 21o 



(type-locality, La Paz; type. Cat. No. 17500, U.S.N.M.). 

 Vca latimana Nobili, Boll. Mus. Zool. Anat. corap. R. Univ. Torino, vol. 16, 



1901, No. 415, p. .52. 



Diagnosis. — Inner surface of palm granulate and without obli(|ue 

 ridge. Fingers shorter than palm. Third to sixth abdominal seg- 

 ments in male fused. Carapace subcylindrical. 



Description. — A small, subcylindrical species. Carapace moder- 

 ately narrowed behind; surface finely granulate, depressions well 

 marked. Front nearly one-third width of carapace, its anterior 

 border slightly curved. Upper margin of orbit slightly oblique, 

 sinuous. Eyebrow deepest at its middle. Antero-lateral angles acute 

 and prominent, projecting forward. Carapace widest behind those 

 angles, the anterior part of the side margins being concave oi- 

 straight. 



Large cheliped of male short and stout. Merus shorter than cara- 

 pace, its lower margin sharply serrulate, outer surface granulate- 

 rugose. Carpus granulate. Palm not much longer than broad, 

 coarsely granulate, as is ;ilso the up])er surface of the dactylus and 

 lower surface of i^oUex. Fingers broad and flat, two-thirds as long 

 as palm, regularl;,' tapering, slightly curved, blunt tipped, granu- 



