MUSEUM OF COMPARATIVE ZOOLOGY. 145 



on the upper side, the spine at its summit being the longest one on the 

 chelipeds ; hand oblong, with two longitudinal rows of spines on the 

 upper edge ; fingers two thirds as long as the palm. Ambulatory feet 

 sparsely hairy; meros armed with spines along the upper edge, and with 

 one spine below near the extremity ; dactyli nearly as long as the penult 

 joint. 



Dimensions of a female specimen : Length of carapax, 0.25 ; breadth, 

 0.36 inch ; proportion, 1 : 1.44. 



In a variety (?) of the species, dredged, as stated below, in 42 fathoms, 

 the carapax and feet are naked. 



Off French Reef, April 3, 1869. Cast No. 1. 15 fathoms. 



"West of the Tortugas, January 16, 1869. Cast No. 7. 35 " 



"West of the Tortugas, January 16, 1869. Cast No. 8. 37 " 



West of the Tortugas, January 16, 1869. Cast No. 12. 42 " 



Subfamily ERIPHIINAE. 



Eriphia gonagra H. M.-Edw. 



Cancer gonagra Fabr., Ent. Syst., II, p. 460. Suppl. Ent. Syst., p. 337. 

 Eriphia gonagra H. Milne-Edwards, Hist. Nat. des Crust., I, 426, pi. xvi, 



figs. 16 and 17. Gibbes, Proc. Am. Assoc. Adv. Sci., 1850, p. 177. 



Dana, U. S. Expl. Exped., Crust., I, 250. Stimpson, Notes on North 



American Crust., p. 89. Smith, Trans. Conn. Acad. Arts and Sciences, 



II, 7. 

 Dredged at Key West, in from two to five fathoms. 



Domeeia hispida Soul. 



Domecia hispida Souleyet, Voyage au Pole Sud., pi. vi, figs. 3, 7. Stimpson, 

 Notes on N. American Crust., p. 90. 



Of this species I find three lots of specimens, labelled as follows : — 



Florida Reefs, in shallow water. 

 Reef at Eastern Dry Rocks, littoral. 

 Reef at Cruz del Padre, Cuba. 



Family PORTUNIDAE. 



Subfamily PORTUNINAE. 



Bathynectes nov. gen. 

 Very near Pbrlunus* but differing in its antero-lateral teeth, which are 

 not like those of a saw, but are somewhat spiniform, and separated by 



* By Portunus the typical forms are meant, P. puber, corrugatus, etc. P. holsatus 

 (marmoreus) should be separated generically; it is quite distinct in its external max- 

 VOL. II. 10 



