THE CANCROID CRABS OF AMERICA 113 



forming a double curve, tips straight, reaching to distal fourth of 

 penultimate segment. 



Color. — Almost brown above, cream-colored below, tubercles and 

 ridges of manus tinged with red. (Lockington.) 



Measurements. — Male (57909), total length of carapace 78.3, width 

 of same 152.8, width at anterior base of lateral spine 136, fronto- 

 orbital width 54, width of front 11.5 mm. 



Range. — From Point Loma, California (Holmes), to Gulf of Cali- 

 fornia, Mexico. 



Material examined. — 



CALIFORNIA.— San Diego; C. R. Orcutt; 1 male (51111). 



MEXICO. — Pichilinque Bay, Gulf of California, Albatross, April 29, 

 1888, 1 male, 3 females (22047), March 29, 1911, 1 young male 

 (48863). Magdalena Bay; 1925; 

 Hanna and Jordan ; 1 young, returned 

 to Calif. Acad. Sci. 1889; Albatross: 

 San Bartolome Bay, 3 males (15442); 

 Magdalena Bay, April 8, 2 males, 4 

 females (15441); La Paz Harbor, 

 March 12, 1 male, 2 females (15436); 

 San Josef Island, March 16, 5 males, 

 2 females (15435); Carmen Island, 

 March 18, 2 males, 4 females (15439); 

 Concepcion Bay, mouth of Rio Mu- ^ 



^ •' ' c 1 Figure 20.— Callinectes bellicosvs, fe- 



lege, March 19, 7 males, 2 females, male abdomen 



mostly young (15440); Guaymas, 



March 21, 6 males, 1 female (15444); San Luis Gonzales Bay, March 

 27, 5 males, 2 females (15438); St. Georges Bay, March 25, 1 male, 

 2 females (15443); Shoal Point, Colorado River, March 26, 5 males, 

 8 females (15437). 1911 ; Albatross: Point San Bartolome, with boat 

 dredge, March 13, 3 males, 2 females (6007), in seine, March 14, 4 

 young (6005); Abreojos Point, March 16, 2 females (60010) ;Ballenas 

 Bay, March 16, 2 young males, 1 young female (Amer. Mus.); S. 

 end of Magdalena Bay, March 20, 10 males, 2 females (Amer. Mus.); 

 Pichihnque Bay, by electric light, March 27, 6 young (Amer. Mus.), 

 March 29, 1 young male (Amer. Mus.); Agua Verde Bay, April 2, 

 2 immature females (60008); Mulege, at mouth of river, in 100-foot 

 seine, April 4, 1 male (60006); Ricason Island, Concepcion Ba}^, 

 April 7, 5 males, 2 females (60009). Turtle Bay; August 1, 1896; 

 A. W. Anthony; 6 males, 7 females (19514). Magdalena Bay; 1925; 

 Hanna and Jordan; 1 young (Cal. Acad. Sci.). La Paz; L. Belding; 

 2 males, 3 females (4630). Santo Domingo; 1899; C. R. Orcutt; 1 

 young male (51108). Guaymas, inner harbor; February 23, 1891; 

 P. J. Jouy; 1 young male (17291). Angeles Bay; 1921; 1 male 

 (57909), from California Academy of Sciences. 

 79856—30 9 



