— 48 — 



Turbines fnssiles. 

 Casts of Turbo are fouud iu Bed No. 2, tlie yellow santl. 

 (T. Wright). 



Genus Scissurella, D' Orb. 

 S. plieata, Phil. In sandy places . 



Genus Turritella, Lamk. 



T. triplicata ?, Brocc. Not cotnmon. 

 T. communis, Risso, pag. 160. Rare. 



Turritella fossiles. 



Casts of Turritella are found in Btd No. 2, the yellow 

 sand. (T. Wright). 



XVIII. Familia CANALIFERA, Lamk. 



Genus Cerithium, Brug. 



C. vulgatum, Brug. Maltese name Brancutlu. Very com- 



mon everywhere, and used as food, Length 86 mm. 

 C. fuscatum, Costa. Very common. Length 33 mm. 

 C. mammillatum, Risso. Abundant in shallow waters with 



sandy bottom. Lcngth 25 mm. 

 C. perversum, Lamk. ; syn. Triphoris perversa, Desh. 



Length 27 mm. 

 C. lima, Brug. Common. Length 18 mm. 

 C. lacteum, Phil. Somewhat rare, and found attached to 



Nullipores. Length 8 mm. 



Genus Plcurotoma, Lamk. 

 P. (Murex) reticulatum, Ren. 



