410 BULLETIN 129^ UNITED STATES NATIONAL MUSEUM 



that species. The prehensile edges are crenulated in the gape as well 

 as along the meeting edges, while in hispidus the gaping edges are 

 entire except for the large, crenulated tooth of the dactylus. 



Measurements. ^M.a\e, holotype, total length of carapace 66.3, length 

 on median line 63.5, width without spines 71.3, with spines 78.4, length 

 of propodus of cheliped 69.4, width of same 26 mm. 



Variation. — -One male specimen from Jamaica (43009) shows a dif- 

 ference in the postero-lateral tubercles of the two sides; on the left 

 side only, the large tubercle obliquely in front of the postero-lateral 

 spine is missing. 



Range. — West Indies; northern coast of South America. 



Material examined. — 



Cuba: On reef flat, between Cayo Hutia and the little Cayo, NE. 

 of Light; 1914; Tomas Barrera Exped. (Henderson and Bartsch) ; 

 1 young (48729). Bahia Honda; 2 to 12 fathoms; M. Co.; June 4-5, 

 1914; station 15, Tomas Barrera Exped. (Henderson and Bartsch); 

 1 young female (48728). Havana; May 1, 1871; Ramon N. Forns; 

 1 male (2099, M. C. Z.). 



Jamaica: Montego Bay; July 15, 1910; C. B. Wilson; 1 young 

 (43011). 8 miles E. of Montego Bay; coral reef; July 20, 1910; C. 

 B. Wilson; 2 males (43009). Kingston Harbor; 1896; F. S. Conant; 

 1 male (50002). Jamaica: T. H. Morgan; 1 male, 1 female (17207). 

 1910; E. A. Andrews; 1 young (43010). 



Haiti: Doctor Weinland; 1 male (328, M. C. Z.). From the bot- 

 tom of the sea near the Caimites; April 20, 1865; P. R. Uhler; 1 

 young male (2159, M. C. Z.). 



Porto Rico; Fish Hawk: Guanica; January 28; 1 male (24209). 

 Hucares; February 13; 2 males (24213). 



St. Thomas: December, 1871; U. S. C. S. S. Hassler; 1 male, 1 

 female (1952, M. C. Z.), 1 male, 1 female (exhibition case, M. C. Z.). 

 In harbor, from piles near town; July 7, 1915; C. R. Shoemaker; 1 

 large male, holotype (50363); received from Carnegie Institution. 

 From piles; 1915; C. R. Shoemaker; 2 young (50367). 



Barbados; 1918; Barbados-Antigua Exped. Univ. Iowa; 2 females 

 CMus. S. U. I.). 



Dutch West Indies (exact locality not given); 1905; J. Boeke; 1 

 male (42963). 



Curasao: 1884; Albatross; 1 young female (16192). Caracas Bay; 

 April 19, 1920; C. J. van der Horst; 1 young male (Amsterdam Mus.) . 

 Spanish Water; from Porites porites; April 13, 1920; C. J. van der 

 Horst; 1 young (56868). 



Venezuela: Porlamar, Margarita Island; July 7, 1895; Lieut. Wirt 

 Robinson, U. S. A. ; 1 male (18820), ''knobbed crab; common." 



