THE CANCROID CRABS OF AMERICA 301 



Barbados; 1918; Barbados-Antigua Expedition of State University 

 of Iowa: 8 males, 3 ovigeroiis females .(S. U. I.)- Pelican Island, 

 tide pools: 2 males (S. U. I.); May 11, 3 males (58007); May 13, 

 4 females (3 ovigerous) (58006). Pelican Island, shallow water, 

 1 male, 1 yomig female (S. U. I.). 



CURASAO. — Ciiragao: 1884; Albatross; 5 males, 5 "females 

 (17813). Spanish Port; April 10, 1920; C. J. van der Horst; 1 female 

 (Amsterdam Miis.). 



COLOMBIA.— Sabanilla [Puerto Colombial; March 16-22, 1884; 

 Albatross: 7 males, 7 females (17823). 



PANAMA. — Colon [Aspinwall] ; J. A. McNiel ; received from Boston 

 Society of Natural Historj-; 1 male, 1 female (56760). Coral reef; 

 May 2, 1911; Meek and Hildebrand; Smithsonian Biological Survey; 

 1 male (44189). 



BRAZIL.— Abroihos Islands; 1887; Albatross; 1 female (22010). 



Pirangi, Ceara, Brazil; 1911; Fred Baker, Stanford Expedition; 

 1 female (53746). 



Brazil; 1899; A. W. Greeley, Branner-Agassiz Expedition: June 22 

 and 23; Mamanguape stone reef, Parahyba; 2 males, 1 female (25730). 

 June 18; Rio Goyanna stone reef, Pernambuco; 3 males, 1 female 

 (25731). Coral reef, Maceio; 1 male, 3 females (Stanford Univ.). 



Brazil; 1876-1877; R. Rathbun, Hartt Explorations; Bom Fim, 

 Bahia; 1 male (19964). Plataforma, Bahia; 2 males, 2 females 

 (40605). 



Rio de Janeiro; H. Kr0yer; specimens in Copenhagen Museum. 



Villa Bella, Ilha Sao Sebastiao, Sao Paulo. Brazil; Sept. 29, 1925; 

 W. L. Schmitt; 2 males (60890). 



LEPTODIUS OCCIDENTAUS (Stimpson) 



Plate 137, Figures 3 and 4; Plate 138, Figure 2 



Chlorodius occidentalis Stimpson, Ann. Lye. Nat. Hist. New York, vol. 10, 1871, 

 p. 108 (type-localities, Panama and Manzanillo, Mexico; types not extant). 



Chlorodius fisheri Lockington, Proc. California Acad. Sci., vol. 7, 1876 (1877), 

 p. 104 [10] (type-locality, Magdalena Bay, Mexico; type not extant). 



Chlorodius fischeri [by error] A. Milne Edwards, Crust. Reg. Mex., 1880, p. 2G9. 



Leptodius occidentalis A. Milne Edwards, Crust. Reg. Mex., 1880, p. 269. 



Diagnosis. — Front faintly double-edged in middle. Dorsal lobe 

 1 L low, oblong, inconspicuous. Dark color of immovable fingers of 

 male not continued on palm. Sutures between third and fourth and 

 fourth and fifth abdominal somites well marked. 



Description. — Carapace broader than in jloridanus; front less pro- 

 jecting, teeth of median pair less produced beyond those of lateral 

 pair than in jloridanus; margin of front very slightly double along 

 median lobes, the two parts, upper and lower, equally advanced. 

 Carapace smoother, less rugose; antero-lateral teeth broader, espe- 

 cially the second which is more obtuse. Dorsal lobe 1 L low, oblono;. 



