342 INDEX AND SYNONYMY. 



Exarata (Drillia), Reeve. Proc. Zool. Soc., 1845, p. 112, . 204 

 Exasperata (Drillia), Dall. Ball. Mas. Comp. Zool., ix, 63, 



1881, ........... 213 



Exasperata (Drillia), Reeve. Conch. Icon., pi. ii,fig. 8, 1843, 185 

 Excavata (Drillia), E. A. Smith. Ann. Mag. N.lL, 1877, 



p. 498, .......... 212 



Excentrica (Pleurotoma), Sowb. Proc. Zool. Soc., 1833. 



= D. rudis, Sowb. 

 Excurvata (Bela), Cpt. Proc. Acad. Nat. Sc. Phila., 1865, 



p. 63, . ........ 223 



Exigua (Drillia), Homb. et Jacq. Voy. Astr. et Zel., v, 111, 



t. 25, f. 21,22, ......... 188 



Exigua (Bela), Jeffreys. Proc. Zool. Soc., 1883, 398, t. 44, 



f. 10, . . . ........ 216 



Exilis (Clathurella), Pease. Proc. Zool. Soc., 1860, p. 144, 299 

 Exilis (Drillia), Pease Am. Jour. Conch., iii, p. 220, pi. 15, 



f. 19, 1867, ....... . . .206 



Exilis (Pleurotoma), Phil. Zeit. Mai., 1849, p. 31, . . 299 

 Eximia (Clathurella), Reeve. Proc. Zool. Soc., 1843, p. 181, 290 

 Expansa (Bela), Sars. Moll. Norv., 240, t. 17, f 7, 1878, . 216 

 Exquisita (Clathurella), G. and H. Nevill. J. A. S. Beng., 



1875, p. 87 (pt. ii). = M. rubida, Hinds,. . . .271 

 Exquisita (Defrancia), Jeffreys. Ann. Mag., 33, 1882, . 299 

 Exquisita (Pleurotoma), Smith. Ann. Mag. N. H., 1882, 305, 269 

 Exsculpta (Drillia), Watson. Jour. Linn. Soc., xvi, p. 247, 



1882, ..... ... .212 



Extensa (Bela Blakeana, var ), Dall. Bull. Mus. Comp. 



Zool., ix, 55, ... . 222 



Fabagina (Pleurotoma), Adams and Reeve. Weinkauff, 



Cat., p. 4. = P. fagina, Ad. and Reeve. 

 Fagina (Pleurotoma), Adams and Reeve. Toy. Sam., p. 40, 



t. 9, f. 2a-6, .... * . 167 



Fairbanki (Mangilia\ G. and H. Nevill. Jour. As. Soc. 



Ben., 1875, ii, p. 85, pi. vii, f. 2, . . 270 



Fallax ( Clathurella rugosa, var.), G. and H. Nevill. J. A. S. 



Beng., 1875, pt. ii, p. 87, . . 297 



Fallax (Pleurotoma), Forbes. Rep. J3g. 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. Yert., vii, p. 93, . 169 

 Fasciata (Cythara), Gray. Reeve, Conch. Icon. Mangilia, 



sp. 52, .......... 269 



Felina (Clathurella), Hinds. Proc. Zool. Soc., 1843, p. 42; 



Voy. Sulph., t. 7, f. 4, ....... 292 



