302 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



Color of immovable finger running from the proximal end of the 

 prehensile edge obliquely downward and backward in a wavy line to 

 lower margin. 



Color.- — Carapace greenish red; chelipeds marbled with purplish 

 red, white beneath; fingers black (Lockington) . 



Measurements. — Male (50626), extreme length of carapace 24.7, 

 width of same 39.6, fronto-orbital width 19.2, front 9.3 mm. 



Range. — Magdalena Bay, Lower California, and also the Gulf of 

 California, Mexico, to Panama; Galapagos Islands. 



Material examined. — Magdalena Bay, west coast of Lower Cali- 

 fornia; 1917; G. R. Orcutt; 1 male (50626). 



La Paz, Gulf of California: L. Belding; 4 males (4626). Albatross; 

 1 male, 1 female (17398). Harbor; Albatross; 2 males, 1 female 

 (17399). 



Pichilinque Bay, Gulf of California; Albatross: April 29, 1888; 

 4 males, 8 females (22011). March 27, 1911 ; 1 male, 1 female (50482), 



4 males, 2 females (Amer. Mus.). 



San Josef Island, Gulf of Cahfornia; March 16, 1889; Albatross; 



5 females (17400). 



Agua Verde Bay, Gulf of Cahfornia; April 1, 1911; Albatross; 3 

 males (50483). 



Concepcion Bay, Gulf of California; March 19, 1889; Albatross; 

 9 males, 12 females (17406). 



San Luis Gonzales Bay, Gulf of California; March 27, 1889; 

 Albatross; 1 male, 1 female (17410). 



Guaymas, Sonora, Mexico: March 21, 1889; Albatross; 5 males, 



6 females (17408). Inner harbor; February 23, 1891; P. L. Jouy; 

 1 male, 1 female (17305). Bay shore, among rocks; February 22, 

 1904; Wilham Palmer; 2 females (31514). 



Manzanillo, Colima, Mexico; on drifted pile; July 17, 1913; C. R. 

 Orcutt; 1 female (54464). 



Clarion Island, west of Mexico: A. W. Anthony; 1 male (20699). 

 Shore; Hanna and Jordan, California Acad. Sci.; 3 males, 3 females 

 returned; 2 males, 2 females (62703). 



Galapagos Islands; 1888; Albatross; 1 male, 1 female (22012). 



LEPTODIUS SANGUINEUS (Milpe Edwards) 



Plate 137, Figure 5 and 6; Plate 138, Figure 3 



Chlorodius sanguineus Milne Edwards, Hist. Nat. Crust., vol. 1, 1834, p. 402 



(type-locality, Mauritius; type in Paris Mus.). 

 Lagostoma nodosa Randall, Journ. Acad. Nat. Sci. Philadelphia, vol. 8, 1839 



(1840), p. Ill (type-locality, Sandwich Islands; type not located). 

 Chlorodius nodosus Dana, Proc. Acad. Nat. Sci. Philadelphia, 1852, p. 79. 

 Leptodius sanguineus A. Milne Edwards, Nouv. Arch. Mus. Hist. Nat., Paris, 



vol. 4, 1868, p. 71. — DeMan, Abh. Senck. naturf. Ges., Frankfurt, vol. 25, 



1902, p. 602. 



