CALIFORNIA STALK-EYED CRUSTACEA. 73 



Mexique." Panamensis apparently does not range so far 

 north as Lower California, while Xantusii is common 

 from southern California southward. 



Genus Callinectes Stimpson. 



Closely allied to Portunus. Carapace broad; front low. Meriis of the 

 external maxillipedsiDrominent and curved outward at the antero-external 

 angle. Abdomen in the male narrow and ±-shaped. 



Callinectes bellicosus (Stimpson). 



Lupa bellicosa (Sloat MS.) Stimpson, Ann. N. Y. Lye. Nat. Hist., Vol. 



VII, 1859, p. 57. 

 Callinectes bellicosus Ordway, Proc. Bost. Soc. Nat. Hist., Vol. VII, 1863, 



p. 577. Rathbun M., Proc. U. S. Nat. Mus., Vol. XVIII, 1895, p. 365, 



Pis. XXII, XXIV. fig. 10; XXV, fig. 8; XXVI, fig. 8; and Vol. XXI, 



1898, p. 596. 

 Lupa bellicosa ? Lockington, Proc. Cal. Acad. Sci., Vol. VII, 1877, p. 105. 

 Callinectes bellicosus A. Milne-Edwards, Miss. Sci. au Mex., Pt. V, 1879, 



p. 227, (var. of C. diacanthus). 



Carapace broad, convex, minutely granulated. Front with two distant 

 spines, the margin between them sinuous. Preorbital teeth not so 

 advanced as the lateral teeth of the front; postorbital tooth long, exceed- 

 ing the preorbitais; subfrontal spine exceeding the lateral frontal teeth; a 

 large tooth below the preorbital, which extends further forward than the 

 others. Inner superior orbital fissure open. Teeth behind the postorbital 

 broadly triangular, acute, with concave sides; last tooth about twice the 

 length of the preceding one, its upper edge continued as a fine ridge for 

 some distance on the carapace. Merus of the chelipeds trigonous, armed 

 anteriorly with four or five spines; carpus with two or three external 

 ridges and a few pointed tubercles near the anterior end; hand with a 

 strong spine above the upper hinge joint at the proximal end of a tuber- 

 culated costa; ridge on the posterior upper edge ending distally ina spine. 



Width 4.5 in.; length 2.5 in. 



Gulf of California, west coast of Lower California. 



A fine specimen of this species was taken by Miss 

 Cook at Point Loma, California, which is the most 

 northern locality from which it has been recorded. 



