THE CANCROID CRABS OF AMERICA 343 



BARBADOS. — 1918; Barbados-Antigua Expedition, State Univer- 

 sity of Iowa; 1 male (58036), /orma crassa; 1 male, 1 female (Mus. 

 S.U.I.). 



TRINIDAD.— Shore; January 30-February 2, 1884; Albatross; 2 

 males, 1 female (7640). February, 1878; Crosby collector; 1 male, 1 

 female (57012), from Boston Society of Natural History. All are 

 jorma crassa. 



DUTCH ISLANDS, OFF VENEZUELA.— 1905; J. Boeke; speci- 

 mens in Leiden and Amsterdam Museums. Bonaire; lagoon, shallow 

 water {% fathom), in mangroves; 1 young. Curagao; rifwater, shal- 

 low water, mud; September 4; 1 male. Caracas Bay, Curagao; 3 

 fathoms; October 21; 1 immature female. Aruba; Paarden Bay; 1 

 fathom; coral rocks; August 3; 1 young. 



Curagao: February 10-18, 1884; Albatross; 9 males, 7 females 

 (7585), between /ormae obesa and crassa. Caracas Bay; small pool; 

 April 26, 1920; C. J. van der Horst; 1 young female, soft shell, and 1 

 male from under a stone (both in Amsterdam Mus.). Spanish Water; 

 1920; C. J. van der Horst: April 17; 3 young (Amsterdam Mus.). 

 May 7; 1 female (56889) , forma obesa. 



VENEZUELA.— Cumana (M.C.Z.). 



COLOMBIA.— Sabanilla; March 16-22, 1884; Albatross; 3 males, 

 4 females (7562), between formae obesa and crassa; 1 young, very 

 small (15655), probably /orma crassa. 



PANAMA. — Fox Bay, Colon; Meek and Hildebrand, Smithsonian 

 Biological Survey: January 19, 1911; 1 male (44181), /orma crassa. 

 March 22, 1912; 2 males, 2 females (59319), 1 male, 2 females (Field 

 Mus.). 



Toro Point, Canal Zone; April 12, 1911; same collectors; 1 male 

 (44180). 



BRAZIL.— Para (M.C.Z.). 



Mamanguape stone reef; June 23, 1899; A. W. Greeley, Branner- 

 Agassiz Expedition; 1 female (25732) /orma crassa. • 



Rio Parahyba do Norte, Cabedello; on mangroves; June 20, 1899; 

 same collector; 4 males, 5 females (25733), /orma crassa. 



Pernambuco stone reef; July 7, 1899 ; A. W. Greeley, Branner-Agassiz 

 Expedition; 1 small female without chelipeds (25734), forma crassa. 



Plataforma, Bahia; 1876-1877; Richard Rathbun, Hartt Explora- 

 tions; 1 female (40585), /orma crassa. 



Mapelle, Bahia; same collector; 1 male (40584), /orma crassa. 



Ilheos, Bahia; 1919; E. Garbe; 1 female; lent by Mus. Paulista 

 (1225, part), /orma obesa. 



Barra de Sao Joao, Est. Rio de Janeiro; October, 1912; E. Garbe 

 collector; 1 male (47847), /orma crassa, received from H. von Ihering. 



Paqueta, Bay of Rio de Janeiro; August 19, 1925; W. L. Schmitt; 8 

 males, 6 females (2 ovigerous) {59457), forma obesa. One immature 

 female is atypical, leaning toward americanus. 



