650 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.50. 



Off Key West, Florida, Sand Key Light bearing W. N. W., Key 

 West Light bearing North, 60 fathoms; BioL Exped. State Univ. 

 Iowa, June 19, 1893; 1 male, 1 female, 2 young, Cat. No. 12111, Mus. 

 State Univ. Iowa. 



Off Sombrero Key, Florida, 54 fathoms; U. S. C. S. Str. Backs 

 (Wm. Stimpson), Apr. 2, 5th cast; 1 female. Cat. No. 2995, M. C. Z. 

 Identified by A. Milne Edwards. 



S. E. of Key West, Florida, 61 fathoms ; J. B. Henderson collector ; 

 2 females. Cat. No. 47956, U.S.N.M. 



West coast of Florida, lat. 25° 50' 15" N.; long. 83° 41' 30" W., 

 49 fathoms, temp. 68°, fne. S. brk. Sh. ; Station 5091, U. S. F. C. Sch. 

 Grampus, 1889; 2 young females, Cat. No. 15332, U.S.N.M. 



West coast of Florida, 50 fathoms; U. S. C. S. Str. Bache (Wm. 

 Stimpson) ; 1 female. Cat. No. 2994,. M. C. Z. Identified by A. Milne 

 Edwards. 



LOCALITIES GIVEN BY STIMPSON. 



According to Stimpson, this species was taken also at the following 

 localities in the Florida Straits by the United States Coast Survey 

 steamer Bihh (L, F. de Pourtales). So far as I know, none of the 

 cotypes are extant. 



Off Carysfort Reef, lat, 25° 10' 30" N.; long. 80° 10' 45" W,, 60 

 fathoms, sand; Station 146 P (Cast 5), Mar. 21, 1869. 



Off French Reef, 45 fathoms; Station 143 P (Cast 2), Mar. 21, 

 1869. 



Off Conch Reef, 40 fathoms; Station 142 P (Cast 1), Mar. 21, 

 1869. 



West of Tortugas, lat. 24° 41' 30" N.; long. 83° 19' 00" W., 36 

 fathoms, sand and shells; Station 85 P (Cast 4), Jan. 16, 1869. 



West of Tortugas, lat. 24° 42' 00" N.; long. 83° 22' 45" W., 36 

 fathoms, sand, shells, and sponges; Station 86 P (Cast 5), Jan. 16, 

 1869. 



OSACHILA ANTILLENSIS, new species. 

 Plate 36, fig. 2, 



Osachila tuberosa A. Milne Edwards, Bull. Mus. Comp. Zool., vol. 8, 1880, 

 p. 20 (part; all specimens, except from Sombrero). — Rathbun, Bull. 

 Lab. Nat. Hist. State Univ. Iowa, vol. 4, 1898, p. 290 (part; specimen 

 from off Havana). 



Distinguished by its cardiac region not broadly rounded behind 

 but narrowed and continued backward almost to a point. 



Carapace eroded all over. 



Postero-lateral margin thick, w^ith rounded lobes, the first or lat- 

 eral lobe not projecting sideways beyond the antero-lateral margin. 



Proximal tooth on upper margin of manus tridentulate. 



