MUSEUM OF COMPARATIVE ZOOLOGY. 91 



Drillia thea var. carminura Dall. 

 Drillia thea Dall, Proc. U. S. Nat. Mus., VI. p. 328, pi. x. fig. 5, Dec, 1883. 



Habitat. Barbados, 100 fms. Coasts of Florida, Dall, Hemphill, and Dr. 

 Rush. 



Since the original dusky type was described, the color of wet tea leaves, 

 Hemphill has sent a paler variety with a narrow peripheral brown band. 

 This was found at Cedar Keys, and by Dr. Rush also at Turtle Harbor. A 

 still paler form without any band was dredged by the U. S. Fish Commission 

 in 111 fms., in the Gulf of Mexico, at Station 2402. In this specimen the 

 nucleus was of a lovely bright carmine color. This form, which is probably 

 peculiar to deep water, may take the varietal name of carminura. It has seven 

 whorls beside the nucleus, of a lemonade color, with nine ribs on the penulti- 

 mate whorl, rather straighter than in the type and less swollen on the periph- 

 ery. Lon. 11.5, lat. 4.0 mm. The Barbados specimens appear to be of the 

 same sort, but are dead and faded. 



Drillia? Simpsoni Dall. 



Pleurotoma {Mangilia?) Simpsoni Dall, Proc. Davenport Acad. Sciences, V. p. 54, 

 Nov., 1887. 



Habitat. U. S. Fish Commission Stations 2607 and 2619, off the coast of 

 North Carolina, in 15 to 18 fms., sand, fifteen to twenty-five miles off shore. 

 Tampa Bay, Florida, Simpson. 



Fragments of this pretty little species and a nearly adult specimen were 

 obtained as above, thus greatly increasing its known geographical range. Its 

 genus is still uncertain, but I think, in my second specimen, through the 

 translucent shell, I can distinguish an operculum attached to the dried animal. 



Drillia lissotropis Dall. 



Plate XI. Figs. 3, 4. 



Pleurotoma (Mangilia) lissotropis Dall, Bull. M. C. Z., IX. p. 58, August, 1881. 

 ? Pleurotoma (Manyelia) hypsela Watson, Journ. Linn. Soc, XV. p. 433, Oct., 1881. 

 Chall. Gastr., p. 341, pi. xxi. fig. 4, 1885. 



Habitat. Station 20, 220 fms., Gulf of Mexico; off Havana, in 127 fms. ; 

 Station 273, near Barbados, in 103 fms. ; Stations 282 and 290, off Barbados, in 

 154 and 73 fms., coral; Station 134, near Santa Cruz, in 248 fms., coarse sand. 

 Range of temperatures, 54°. 5 to 71° F. 



Mr. Watson's specimen is not sufficiently perfect to decide with certainty, 

 but it looks very much like the present species. The examination of better 

 material since the first description was made shows this species to have the 



