154 THE PROCEEDINGS OF THE L1NNEAN SOCIETY 



Length 7, breadth 3 lines. 



Hab. Bet Island, ToiTes Straits, 1 1 fathoms, off a coral bottom • 

 Darnley Island, Torres Straits, 30 fathom, coral and white sandy 

 bottom. 



15. — Drillia (Crassispira) alabaster Var. 

 Pleurotoma alabaster, Reeve. Proc. Zool. Soc, 1813, p. 181. 



„ ,, ,, Conch. Icon., pi. 8, sp. 65. 



Hab. Darnley Island, Torres Straits, 30 fathoms ; found on a 

 bottom of white sand and broken shells. 



16. — Drillia (Clavatula) nitens. 



Clavatula niters, Hinds. Proc. Zool. Soc, 1843, p. 41. 



Pleurotoma nitens, Reeve. Conch. Icon., pi. 22, sp. 189. 



Hab. Palm Island, North East Australia, 11 fathoms, mud 

 bottom ; Darnley Island, Torres Straits, 20 fathoms, bottom sand 

 and mud ; New Guinea, Straits of Macassar, and Malacca (Hinds). 



17.— Clathurella Darnleyi, n. sp. 



Shell pyramidal, slender, acuminated, six-sided, horny brown, 

 longitudinally ribbed, crossed with raised striye, somewhat rugose, 

 interstices smooth, whorls 7-8, flattened, suture opaque, sculpture 

 much plainer on the last whorl ; inner lip with thin deposit of 

 callus, outer thin, edged with black, sinus wide, cut deep down, 

 canal short. 



Length 4 lines, breadth 1| line. 



Hab. Darnley Island, Torres Straits, 20 fathoms, bottom sand 

 and mud. 



18. — Clathurella languida. 

 Pleurotoma languida, Reeve. Proc. Zool. Soc, 1845, p. 115. 



„ „ „ Conch. Icon., pi. 29, sp. 257. 



Hab. Darnley Island, Torres Straits ; 20 fathoms. 



19. — Clathurella amabilis. 



Clavatula amabilis, Hinds. Proc. Zool. Soc, 1843, p. 40. 

 Pleurotoma amabilis, Reeve. Conch. Icon., pi. 34, sp. 308. 





