308 SHELLS AND SHELL-FISH. 



SuB-FAM. 5. FUSl^M. — Spindle- Shells. 



Shells generally fusiform and slender ; the base elon- 

 gated ; the spire lengthened and acute _; pillar smooth ; 

 outer lip thin. 



Hemifusus Sw. Unequally fusiform, the spire being 

 shorter than the aperture ; shell ponderous^ coronated 

 with compressed spines ; an internal and ascending 

 canal at the top of the aperture. 



colossus. En. Meth. 427. f. 2. morio. En. M^th. 430. f.3,4. 

 pyrulaceus. lb. 429. f. 6. carnaria. lb. 434. f. 3. 



coronatus. lb. 430. f. 2. cochlidium. lb. 434. f. 2. 



Chrysodomus Sw. Bucciniform, but the base pro- 

 duced into a channel shorter than the spire ; whorls 

 •< ventricose ; smooth, or nearly so ; outer lip thin ; 

 inner lip obsolete. 



dispectus. Ency. M. 26. f. 4. sulcatus. En. Meth. 424. f. 3. 

 argyrostomus. Ib.426.f.5. lignarius. lb. 424. f. 6. 



Fusus La7n. Shell long, slender ; both extremities 

 much produced : spire attenuated, turreted, and of 

 nearly equal length with the aperture. 



Syracusanus. En. M.423. f.6. tuberculatus. En. M. 423.f.'4. 

 toriilosus. lb. f. 4. aciculatus. lb. 425. f. 8. 



incrassatus. lb. 5. longicauda. lb. 423. f. 2. 



Leiostoma Sw. Equally fusiform, but ventricose in the 

 middle ; shell entirely smooth, almost polished ; in- 

 ner lip thickened and vitreous ; base /£K 

 of the pillar very straight. Fossil /-^-^^^^^-^ rj 

 only. {fig. 75.) /^ // U>x 

 L. bulbiformis. En. Meth. 428. f. 1. ( : i // A\ 



Strepsidura ^w;. Equally fusiform, \ \ ''M / jjj 



but the basal portion of the pillar \ \/ / /// 



turned outwardly, with a sharp fold \ 1 / 



at the base of the aperture ; shell YA X 



costated and sub-coronated ; body- \1// 



whorl ventricose. Fossil only. w 

 S. costata. Sw. En. Meth. 428. f. 2. (Fusus Jiculneus Lam.) 



