TURBONILLA. 323 



rill described it as T. formosa, which being preoccupied by Dr. 

 JertVe3'S, he subsequently changed to T. Buahiana. 



T. PUSiLLA, Philippi. PI. 75, fig. 79. 



Whorls 9, flattened, with about 16 oblique ribs, spirally 

 striate. Length, 3 mill. 



Sicily, Vigo Bay. 

 T. GRADATA, Mouts. PI. 75, fig. 82. 



Rather solid, cylindrical; whorls 9, longitudinally ribbed, 

 with wider interspaces; aperture subquadrangular. 



Length, 4*0 mill. 



Mediterranean Sea. 



Described as a variety of T. lactea^ Linn. Jeffreys considers 

 it a variet}' of T. pusilla, Phil. T.limitum, Folin, is said to be 

 a synonym. 



T. iNNovATA, Monts. PI. 75, fig. 76. 



Differs from T. pusilla, Phil., in its larger size, straighter ribs 

 and absence of spiral sculpture. Jeffrej^s described it in his 

 British Concholog}^ under the name of T. pusilla, but subse- 

 quently doubted its identity with that species, and Monterosato 

 separated it as above. Length, 6*8 mill. 



England to Mediterranean Sea. 



T. DELiCATA, Monts. PI. 75, fig. 81. 



More slender than T. lactea, white, shining; whorls 10, flat- 

 tened, closely longitudinally plicate, interstices smooth. 



Length, 3 mill. 



Ireland to Mediterranean. 



The name is substituted for T. gracilis, Phil., non Brocchi. 



T. MiCANS, Monts. PI. 75, fig 83. 



Thin, seraitransparent, very glossy ; whorls 7, flattened, with 

 from 18-20 long, sharp, curved longitudinal ribs and equal, 

 smooth interstices. Length, 3 mill. 



Gulf of Marseilles; of West Coast of Africa. 



This is T. attenuata, Jeffreys, not Odostomia {E ulimdla) at- 

 tenuata, Monts. 



T. FULGiDULA, Jefl"reys. PL 75, figs. 86, 87. 



Rather solid, subcylindrical, nearly transparent, lustrous; 

 whorls 7, flattened, ribs 15 or 16, narrower than the interspaces, 



