Discodoma, 
Gualteriana, 
inflata, 
marginata, 
Discus, 
erystallinus, 
pygmaeus, 
rotundatus, 
ruderatus, 
Distorta, 
rugosa, 
Dolabella, 
Peronii, 
Dolium, 
fasciatum, var., 
tessellatum, 
Dombeia, 
Tehuelea, 
Donax, 
complanata, 
irus, 
laevigata, 
plebeia, 
ringens, 
trunculus, 
Doridium, 
Dorsalia, 
Doris, 
verrueosa, 
Dosina, 
Listeri, 
Dreissena, 
Drepanostoma, 
nautiliforme, 
Dyodonta, 
fimbriata, 
viridana, 
Eburna, 
balteata, 
flavida, 
Egeria, 
radiata, 
Elasmatina, 
Cumingiana, 
globosa, 
subulata, 
Eledone, 
Elenchus, 
badius, 
iris, 
Lehmanni, 
Elisma, 
fasciata, 
Meck., 
Linn., 
Gmel., 
Gray, 
“ 
Van Beneden, 
Porro, 
“« 
Hartm., 
“ 
“ 
Lam., 
Sowb., 
Schum., 
De Roissy, 
“ 
Petit., 
Leach, 
Swains., 
Leach, 
Elminius, 
Emarginula, 
elongata, 
Panhiensis, 
papillosa, 
Ena, 
montana, 
obscura, 
Eolis, 
Epistylia, 
conica, 
Erato, 
eypraeola, 
Erpetometra 
truncatula, 
Eruea, 
dolium, 
fragilis, 
muscorum, 
umbilicata, 
Ervilia, 
Erycina, 
cuspidata, 
Etheria, 
Eucore, 
quadridens, 
tridens, 
Evlima, 
Anglica, 
Eulota, 
fruticum, 
Euparypha, 
rhodostoma, 
Euraphia, 
Euryeratera, 
acutangula, 
caelatura, 
Falconeri, 
gigantea, 
Jamaicensis, 
lineolata, 
multilineata, 
Otaheitana, 
Euryomphala, 
alternata, 
lineata, 
monile, 
perspectiva, 
plagiata, 
pygmaea, 
rotundata, ~ 
ruderata, 
rudis, 
Tupestris, 
solaria, } 
441 
56 
Leach, 
Lam., 
Sowb., 
Quoy, 
Risso, 
Leach, 
“ 
Cuv., 
Swains., 
Risso, 
Lowe, 
“ 
Swains., 
Turt., 
Lam., 
Risso, 
Lam., 
Agass., 
“ 
Charp., 
Risso, 
Sowb., 
Hartm., 
“ 
Hartm., 
“ 
Conrad, 
Beck, 
Euryomphala, 
solitaria, 
umbilicata, 
Exogyra, 
Fasciolaria, 
craticulata, 
lineata, 
Ferrusacia, 
Gronoviana, 
Ficula, 
Ficus, 
bulbiformis, 
Fidelis, 
Theresa, 
Fissuracea, 
Fissurella, 
cancellata, 
clypeiformis, 
noachina, 
Fistulana, 
gregata, 
hians, 
Fossar, 
Fragilia, 
fragilis, 
Fruticicola, 
aculeata, 
adjuncta, 
carthusiana, 
carthusianella, 
cinctella, 
circinnata, 
fruticum, 
gilvina, 
glabella, 
hispida, 
incarnata, 
limbata, 
lurida, 
Olivieri, 
separanda, 
sericea, 
strigella, 
umbrosa, 
Fulgoraria, 
Chinensis, 
Fulgur, 
pyruloides, 
Fusulus, 
fragilis, 
Fusus, 
articulatus, 
colosseus, 
contrarius, 
Beck, 
« 
“« 
Sowb., 
Lam., 
Brug., 
Ency. Meth., 
Risso, 
Swains., 
Rouss., 
Risso, 
“ 
Lam., 
Gray, 
Sowb., 
Sowb., 
Lam., 
Desh., 
Gray, 
Desh., 
« 
Held, 
