342 INDEX AND SYNONYMY. 
Exarata (Drillia), Reeve. Proc. Zool. Soc., 1845, p. 112, . 204 
Exasperata (Drillia), Dall. Bull. Mus. Comp. Zool., ix, 63, 
1881, . ; : é ; ‘ ; i218 
Exasperata (Drillia), Reeve. Conch. Icon. , pl. ii, fig. 8, 1843, 185 
Excavata (Drillia), E. A. Smith. Ann. Mag. N a. 1877, 
p. 498, . 212 
Excentrica (Pleurotoma), Sowb. Proce. Zool. Soc., 1833. 
Excurvata (Bela), Opt: Proc. Acad. Nat. Se. Phila., 1865, 
p. 63, . 223 
Exigua (Drillia), Homb. et Jacq. Voy. Astr. et Zel. Y, 111, 
tf "25, LI 20 OD es . 188 
Exigua (Bela), Jeffreys. Proc. Zool. Soe., 1883, 398, t. 44, 
SLOG: : 5 ‘ : ; . 216 
Exilis (Clathurella), Pease. Proc. Zool. Soc., 1860, p. 144, 299 
Exilis (Drillia), Pease Am. Jour. Conch., iii p: 220, ie 15, 
OLS Gs : . 206 
Exilis (Pleurotoma), Phil. Zeit. Mal., 1849, p- 31, : 209 
Eximia (Clathurella), Reeve. Proc. Zool. Soc. 1843 , Dp. Sl 290 
Expansa (Bela), Sars. Moll. Norv., 240, t. 17, 'f (5 1878, . 216 
Exquisita (Clathurella), G. and H. Nevill. Joe Beng., 
1875, p. 87 (pt. ii). == M. rubida, Hinds,. ‘ 271 
Exquisita (Defrancia), Jeffreys. Ann. Mag., 33, 1882, . 299 
Exquisita (Pleurotoma), Smith. Ann. Mag. N. Ei, 1882, 305, 269 
Exsculpta (Drillia), Watson. Jour. Linn. Soc., xvi, p: 247, 
1882, . : : : a 2 
Extensa (Bela Blakeana, var), D Dall. Bull. Mus. Comp. | 
LOol)., 1X. B05. | Wr. 5 : ; Les . 222 
Fabagina (Pleurotoma), Adams and Reeve. Weinkauff, 
Cat., p.4. = P. fagina, Ad. and Reeve. 
Fagina (Pleurotoma), Adams and Reeve. ON Sam. rP. 40, 
. 9, f. 2-a-b, : ~ 167 
Fairbanki (Mangilia), q. md H. Nevill. ‘fours As. Soc. 
Ben., 1875, ii, p. 85, pl. vii, f. 2 270 
Fallax ( Clathurella rugosa, ap G. and H. Nevill. ie eee 
Beng., 1875, pt. ii, p. 87, . : ; : é ‘ 297 
Fallax (Pleurotoma), Forbes. Rep. Aig. Invert., 139. 
= juv. P. gracilis, Montagu. . . 312 
Farranii (Pleurotoma), Thomps. Ann. Nat. Hist., XV, , 316, 
t. 19, f. 3. =D. costulata, Blainv. . . 309 
Fascialis (Pleurotoma), Lam. An. s. Vert. , vii, p. 93, 4169 
Fasciata (Cythara), Gray. Reeve, Conch. "Toon. Mangilia, 
sp. 52 . 269 
tera (Clathurella), Hinds. " Proc. Zool. Soc., 1843, P. 42; 
Voy. Sulph., t. 7, f ; . 292 
