THE CANCROID CRABS OF AMERICA , 127 



BERMUDAvS.— Hungry Bay; F. G. Gosling; 1 male (25444). 



AFRICA. — Cape Verde Islands: 2 large males (Paris Mus.), 

 types of C. africanus A. Milne Edwards. Porto Grande, St. Vincent; 

 November 11, 1889; W. H. Brown, U. S. Eclipse Expedition to Africa; 

 1 young (14880). La Praya, Santiago; end of July, 1883; Talisman; 

 1 male (22950), received from Paris Museum. 



Liberia; 1 immature female (Berlin Mus.). 



Ashanti: Baya River, Elmina; November 27, 1889; W. H. Brown, 

 U. S. Eclipse Expedition to Africa; 1 male (14878). 



French Congo (Gabon); 3 immature females, types of Neptunus 

 marginatus (Paris Mus.). 



Belgian Congo; Herbert Lang, American Museum of Natural 

 History: Moanda, Jul}^, 1915, 2 immature males (Amer. Mus.). 

 Banana, July, 1915, 1 female (54255), 7 males, 6 females, 1 young 

 (Amer. Mus.); August, 1915, 5 males, 4 females (54256), 5 males, 

 5 females (Amer. Mus*.). 



Portuguese West Africa: St. Paul de Loanda: December 11, 1889, 

 W. H. Brown, U. S. Eclipse Expedition to Africa, 2 males (14877); 

 September 23, 1915, Herbert Lang, American Museum of Natural 

 History, 1 young female (Amer. Mus.). 



CALLINECTES TOXOTES Crdway 



Plate 54 



Callinectes toxotes Ordway, Journ. Boston Soc. Nat. Hist., vol. 7, 1863, p. 576 

 [11] (type-locality, Cape St. Lucas; cotypes, Cat. No. 2413, U.S.N.M., 

 Cat. No. 5182 and 5183, M.C.Z.).— A. Milne Edwards, Crust. Reg. Mex., 

 1879, p. 227 (var. of C. diacanthus) . — Rathbun, Proc. U. S. Nat. Mus., 

 vol. 18, 1896, p. 363, pi. 21; pi. 24, fig. 9; pi. 25, fig. 9; pi. 26, fig. 9; pi. 27, 

 fig. 8; Proc. U. S. Nat. Mus., vol. 38, 1910, p. 536, pi. 55. 



Callinectes robustus A. Milne Edwards, Crust. Reg. Mex., 1879, p. 227 (var. of 

 C. diacanthus) (type-locality, Colombia; type in Paris Mus.). 



Diagnosis. — Intramedial area longer than posterior width. Lateral 

 spine between two and three times as long as preceding tooth. Male 

 abdominal appendages reaching nearly to end of abdomen. Frontal 

 teeth large, typically blunt and rounded. 



Description. — Carapace very convex and uneven, coarsely granulate; 

 cervical groove deep except at outer end; branchial lobes very high; 

 two sharply marked lobules at inner angle of branchial region. 

 Cardiac region distinctly divided into two lobes by a median furrow. 

 Intramedial area narrow, its length greater than its posterior width 

 and also exceeding half its anterior width. Front slightly upturned, 

 having four broad rounded lobes, the inner pair the smaller and 

 slightly less advanced or in the young equally advanced with the 

 outer pair. Submedian tooth small, not overreaching front. Inner 

 suborbital tooth obtuse, very prominent. Antero-lateral margin 



