PART II. BIITRINyE. 319 



Thiarella Sw. Shell smooth, with the whorls coro- 

 nated ; the body-whorl less ventricose. 



papalis. En. Meth. 370. 1. millepora. En. M. 370. f. 5. 



pontificalis Lam. lb. f. 2. diadema Sw. Bligh, Cat.pl.66. 



puncticulata. Lam. No. 4. lugubris. Zool. 111. i. 



coronata. En. M. 371. f. 6. 

 Scahricola Sw. Shell rough, with transverse elevated 



ridges^ and longitudinal striae ; suture not coronated; 



aperture effuse ; outer lip crenated. 



serpentina. En. M.370. f. 3. filosa. Lam. No. 33. 



scabriuscula. lb. 371. f. 5. granulosa. En. Meth. 370. 



crenifera. lb. 370. f. 4. f. 6. 



leucostoma Sw. Tank. Cat. texturata. lb. 372. f. 2. 



granatina. En. M. 371.f. 4. ? terebralis. Lam. No. 11. 



Nebularia Sw. Shell generally marked with transverse 



grooves ; outer lip contracted above, effuse below ; the 



margin smooth ; base of the body- whorl narrowed. 



contracta. Zool. III. i. pi. 18. Ancillides. Zool. Proc. iii. 193. 

 Strigatella Sw. Size very small ; spire thick, obtuse ; 



outer lip thickened, and often reflected in the middle; 



aperture smooth. 



Zebra. En. M. 372. f 8. acuminata. Zoo). 111. ii. 128. 



lineata Sw. lb. 372. f. 7. f. 3. 



Tiara Sw. Aperture narrow, linear, or of equal 

 breadth throughout ; outer lip and base of the body- 

 whorl contracted, the former generally striated ; an 

 internal canal at the upper part of the aperture ; shell 

 (typically) turreted, and equally fusiform : repre- 

 senting the MuricidcB and Cymhiola. {fig. 84.) 



Tiara Sw. Shell turreted, fusiform, costated, and 

 semi-coronated ; spire and aperture of equal length ; 

 internal stria; slight or obsolete, {fig. 84. c.) 

 virgo Linn, unfigured.* nodo.sa Sw. lb. 373. f. 2. 



Regina. Chem. 151. f. 1444. plicaria. En. M. 373. f. 6. 

 vittata. Zool. 111. i. lyrata. lb. 373. f. 1. 



taeniata. En. M. 373. f. 7. Caf!ra. lb. 373. f. 4. 



corrugata. lb. f.8. {Jig.M.c.) simplicata. lb. 373. f. 9. 

 costellaris. lb. f.3. (/^r 84.^.) melongina. lb. 373. f. 9. 

 vulpicula. lb. 378. f. 5. foraminata. Zool. P. iii. 194. 



• I have once seen this beautiful shell, the rarest and most slender of 

 this genus. 



