312 SHELLS AND SHELL-FISH. PART II. 



body whorl convex near the margin ; aperture 

 Hnear. 

 betulinus. En. Meth. 338. franciscanus. E. M. 337. f. 5. 



f. 7. striatus. lb. S40. f. 1. 



figulinus. lb. 332. f. 2. gubernator. lb. 340. f. 5. 



quercinus. lb. 332. f. 6. nimbosus. lb. 341. f. 5. 



Tecctilia Sw. Spire elevated, concave ; body- whorl 



ventricose ; the aperture effuse at the base ; shell 

 always smooth. 



communis. En. M. 346. f. ammiralis. E. M.325. f. 1 — 9. 



1—5. bullatus. Chem. f. 1315—6. 



auratus, lb. 343. f. 1. pyramidalis. En. Meth. 347. 

 rubiginosus. lb. 344. f. 1,2. f. 5. 



Theliconus Sw. Shell narrow, nearly cylindrical, gene- 

 rally grooved transversely ; spire elevated, thick, 

 convex, obtuse ; aperture linear, 

 nussatella. Sow. Gen. f. 7. Terebra. Sow. Gen. f. 6. 



Leptoconus Sw. Shell light, conic, sometimes striated ; 

 spire elevated, acute, concave ; the basal whorl cari- 

 nated, detached, and sinuated above, and contracted 

 near the suture. 



grandis. Sow. Gen. f. 2. duplicatus. Sow. Gen. £ 5. 



amadis. Chem. f. 1322-3. Australis. lb. f. 4.* 



CoNELLA Sw. Shell small, conic; spire elevated, smooth; 

 the outer lip advancing a little up the spire ; aperture 

 linear ; inner lip smooth ; outer lip striated within, 

 picata Sw. {Jig. 17. a, p. 151.) 



CoNORBis Sw. Conic, but resembling a Pleurotoma : 

 spire conic, considerably elevated; outer lip with a 

 deep sinus above. ^ 



C. Dormiter. Sow. Gen. f. 8. 



SuB-FAM. 3. COLUMBELLIN^. 



Shell small ; outer lip considerably thickened within, 

 where the margin is invariably either toothed or striated ; 

 the top gibbous, the margin generally inflexed ; inner 



* Passing into Nussatella, 



