INDEX AND SYNONYMY. 
Fenestrata (Clathurella), Dkr. Mal. Blatt, xviii, p. 162, 
Fenestrata (Pleurotoma), Desh. Exp. Morée, 177. 
?— D. costulata, Blainv. : ‘ : : : 
Fenestrata (Clathurella), Reeve. Proc. Zool. Soc., 1846, p. 4, 
Ferruginea (Clavatula), von Maltzan. Jahr. Mal. Gesell., 
£863, 115, 1. 351.3. == Clomuricata; Lam., var. 
Ferruginea (Pleurotoma), Anton. Verzeichniss, p. 73, 
Ficus (Buecinum), Martyn. Univ. Conch. 
— Halia Priamus, Meuschen. 
Fidicula (Bela), Gould. Bost. Proc., iii, 142, 1849, 
Filicincta (Mangilia), Smith. Ann. Mag. N. H., 1882, 216, 
Filifera (Bela), Dall. Bull. Mus. Comp. Zool., ix, p. 56, 1881, 
Filosa (Clathurella), Gould. Proce. Bost. Soc. N. H., vii, p. 
338, . - : . : : ; 
Filosa (Mitromorpha), Carpenter. Ann. Mag. N. Hist., 3d 
ser., xv, 182, 1865, : : : ; : : 
Filosa (Pleurotoma), Marrat. Quart. Jour. Conch., i, ae 
18T7, : 
Fimbriata (Clathurella), Hinds. Proc. Zool. Soc. La 1843, P 
43; Moll. Voy. Sulph., p. 22, pl. 7,f.9, . 
Flammea (Pleurotoma), Hinds. Proc. Zool. Soc., 1843, P 
42; Moll. Voy. Sulph., p. 21, pl. 6, f. 21, . 
Flavescens (Mangilia), Angas. Proc. Zool. Soc., 1877, p. 
Bi pe Vet. Ves. ; ; : : 
Flavescens ‘ Drillia), Reeve. Proc. Zool. Soc., 1845, p- 111, 
Flavidula (Drillia), Lam. Anim. sans Vert., vii, p. 92, 5 
Flayocarinata (Drillia), Smith. Ann. Mag. N. H., 1882, 212, 
Flavocincta (Pleurotoma), C. B. Ad. Conch. Contr., p. 63, 
Flavo-nodulosa (Drillia), Smith. Proc. Zool. Soe. , 1879, P. 
194, t. 19, f.. 21, 
Flemingiana (Halia), Macgilliv. Moll. Aberd. 1p. 189. 
— Buceinum Dalei, Sowb. : 
Flexuosa (Mangilia), Smith. Ann. Mag. N. io 1882, 214, 
Floridana (Mitromorpha), Dall. Proc. Nat. Mus., vi, 1883, 
Fluctuosa (Drillia),Watson. Jour. Linn. Soc., xv, 416, 1881, 
Folinez (Lachesis), Ph. Moll. Sic., ii, 1844, p. 189, t. XXVii, 
10, ~ : : 
Folinez (Murex), Chiaje. Mem. ,t. xlix, f. 19- 
— Lachesis minima, Mont. : ; 
Foraminata (Clathurella), Reeve. Proc. Zool. Soc., 1845, 
p. 118, : ; s 
Forbesii (Pleurotoma), Reeve. Conch. fe) pl. 31, f. 339. 
?— D. brachystoma, Phil. ; : : ; : : 
Formicaria (Mangilia), Forbes. gean Report, 139, 1844. 
= M. nebula, Montg. 
Formicaria (Mangilia),Sowb. Proc. Zool. Soc., 1833, p. 139, 
23 
