THE CANCROID CRABS OP AMERICA 



473 



Pseudocarcinus ocellatus Milne Edwards, Hist. Nat. Crust., vol. 1, 1834, p. 

 409 (type-locality unknown; type in Paris Mus.). 



Pseudocarcinus mercenarius Gibbes, Proc. Amer. Assoc. Adv. Sci., vol. 3, 1850, 

 p. 176 [12]. 



Menippe ocellaia von Martens, Arch. f. Naturg., vol. 22, pt. 1, 1856, p. 87. 



Menippe mercenaria Stimpson, Ann. Lye. Nat. Hist. New York, vol. 7, 1859, 

 p. 53 [7].— A. Milne Edwards, Crust. R6g. Mex., 1879, p. 262, pi. 47 

 (colored) and 48, fig. 3. — R. Rathbun, Fisheries and Fishery Industries of 

 the U. S., sec. 1, 1893, p. 772, pi. 264.— Hay and Shore, Bull. Bur. Fish- 

 eries, vol. 35, 1915-16 (1918), p. 439, pi. 35, fig. 8. 



Menipe ocellata Gundlach and Torralbas, Anales Acad. Cien. Habana, vol. 

 36, 1900, p. 369, not text-fig. 5G. 



Diagnosis. — Carapace smooth, not lumpy. Antero-lateral teeth 



low, not prominent. A stridulating organ on inner side of palm. 

 Black not wholly covering fingers but ending obliquely. 



Description. — Carapace minutely granulate, punctate, not nodu- 

 lose; epigastric areas slightly elevated. Two large pits mark the 



