9 
350 APPENDIX. 
PrLEevuRoTOMA, Lam. [p. 183]. 
TERES, Bueq., Dautz. et Dollf., 1883. Shell small, columella 
straight and thin, lip thin, spire and aperture both long. Pl. 
anceps, Hichw. Intended to include a number of small forms 
heretofore classed with Drillia. 
BELLARDIA, Bucq., Dautz. et Dollf., 1883. Shell small, lanceo- 
late, with sutural sinus, lip and columella thin; oblique ribbed 
and coronate. LP. gracile, Mont. Europe. 
(Mangilia.) 
MANGILIELLA, Bueq., Dautz. et Dollf., 1883. Shell more 
lanceolate than Mangilia, more fusiform, with oblique ribs. 
Intermediate between Mangilia and Raphitoma. Jf multi- 
lineata, Desh. Mediterranean. 
( Bela.) 
HZDROPLEURA, Monterosato, 1883. Shell operculate, not turric- 
ulated, strongly ribbed. 8B. septangulare, Mont. Mediterra- 
nean. (Bela is restricted to the boreal turriculated species, of 
light texture.) 
DONOVANIA, Bueq., Dautz. et Dollf., 1883. Instead of Lachesis, 
Risso, 1826, preoccupied by Daudin, 1804 (Reptiles), and 
Savigny (Arachnids). Nessa, Risso, which is synonymous with 
Lachesis, is also preoccupied by Lamarck (Polypes) and Leach 
(Crustaceans). 
Cassis, Lam. [p. 200]. 
Brugnonia pulchella, Jeffreys, is perhaps the fry of Cassis 
sulcosa.—Ann. Mag. N. Hist., xii, 67, 1883. 
Natica, Lam. [p. 204]. 
PAYRAUDEAUTIA, Bueq., Dautz. et Dollf., 1883. Characterized 
by three umbilical grooves, the subcentral one large, separated 
by two plications. Operculum corneous, NV. intricata, Donovan. 
Mediterranean. 
Scavoeyra, Whitfield, 1877. 
Distr.—3 sp. Fossil. UL. Magn. Limestone; Wisconsin. 
S. Swezyei, Whitfield. 
Shell thin, sinistral, spire more or less elevated, of rounded 
volutions; umbilicus broad, open; peristome entire, uniting 
with the preceding volution on the inner side, and more or less 
spreading or trumpet-shaped externally. Appears to be related 
to the family Naticidee. 
Lyosoma, White, 1883. 
Distr.—2 sp. Jurassic; Utah. L. phaseolaris, White. 
Shell resembling certain forms of Neritina and Nerita in 
