4 
Mactra, L., 
Magas, Sowb., 
Malleotus, 
Malleus, Lam., 
Marginella, Lam., 
Megarites, 
Megorima, 
< crasta, 
se levis, 
< truncata, 
Melania, 
“s costula, 
* rugosa, 
SS tessula, 
oe viridis, 
Melanidia, 
’ Melanippa, 
Melanites, 
Melanopsis, Lam., 
Melanosteum, 
Menomphis 
Meretrix, Lam., 
Mesodon, 
ee maculatum, 
Mesomphix, 
Mesonotus, 
Mesypea, 
Metaptera, 
Migonitis, 
Miliolites, Lam., 
Mitra, Lam, 
Mitraxia 
Modiola, Lam., 
Monoceras, Lam., 
Monodonta, Lam., 
Murex, Linn., 
Murexia, 
Mya, Linn., 
Myarina, 
Mytilidia, 
Mytilus, Linn., 
st exotilus, 
= recurvus, 
Nacella, Lam., 
Nassa, Lam., 
Nassaria, 
Natica, Lam., 
Nauticon 
Nanutilia, 
Nautilus, Linn., 
Nereus, —~ 
Nerita, 
Neritacea, 
Neritina, Lam., 
Neritinia, 
Nicteis, 
Notelis, 
Notrema, 
ce fissurella, 
ae patelloides, 
Notremidia, 
Nucula, Lam., 
Numisea, 
Nummulites, Lam., 
Nummulitia, 
Oblicites, 
Obliquaria, 
Oblongites, 
Obovaria, 
Obovites, 
Octomeia, 
Octopia, 
Octopus, Lam., 
“albus, 
“  didynamus, 
“  frayedus, 
INDEX. 
20 | Octopur heteropus, 11 
* 20, 86 «maculatus, 11 
20 *“* moschatus,Lam., @ il 
19 “niger, BI 
20 “ tetradynamus, 11 
87 “vulgaris, Lam., ll 
24,30 | Ocythoe, I, 14, 94, 95 
30 “*  tuberculata, 11, 94 
30 | Odatelia, 92 
30 a radiata, 92 
18, 66 | Odomphium, 67 
93 | Odorthns, 12 
67 | Odotropis, 27 
93 | Oebalus, 15 
67 | Oliva, Brug., 19 
18 | Olivaria, 19 
16 | Omphalina. 67 
24 a3 cuprea, 67 
18 | Omphemis, 26 
21 te lacustris, 26 
68 of phaioxis, 26 
20 | Omphiscola, 26 
67 | Onchidia, 16 
67 | Cnchidium, Lam., 16 
24,27 | Opiptera, 21,33 
17 ce bicolor, 33 
17 | Orbicula, Cuv. Lam., 21, 24, 25, 87 
44,74, 79, 81,85 | Orbulites, Lam., 15 
2 Orthocera, Lam., 15, 24 
15 | Orthoceratite, ; 90 
19 | Oscana, Brug., 17 
19 Ostrea, Linn., 21, 24, 85 
20 Ostreacia, 21 
19 | Ovula, Brug., 19 
18 |} Oxisma, 24, 30,68 
19 “bifida, 30, 68 
18 | Oxynoe, 17, 33 
19 < olivacea, - 33 
19 | Oxytrema, 26 
20 | Ozoena, 11,14 
20, 24, 29 “  —aldrovan:li, 11 
68 |. ‘*  moschatus, il 
63 Pachiloma, 86 
18 | Pachosteon, 24 
19 | Pachynus, 15 
19 Paludina, ' 27, 93 
18 “ fragilis, 93 
15 a vitola, 93 
15 Pandora, Lam., 20 
15 Pandoracia, 20 
16 | Panorpa, Lam., 19 
18 | Paphia, Lam., é 20 
18 Parallus, 16 
18 | Parmacella, Lam., 16 
18 Patella, Linn., 17, 24 
12} Patellaria, . 17 
21 | Pecten, Brug., 20, 21, 85 
24, 25, 30, 36, 62 Pectenia, 21 
24,25 | Pectenus, 21 
30 | Pectunculus, Lam., 20 
25 | Pediferia, 20, 36 
20 Pedinus, 
19 Pedum, Lam., 20 
15 | Peloris, Poli., 21 
15 | Perforella, 18 
15 Peribea, 16 
42, 46, 58, 75,82,84 | Periodon, : 17 
13 | Peristera, # 19 
54,76 Perna, Brug., 20 
86, 87 Pernaria, 20 
17 Pernaridia, 20 
14 Peronea, Poli., 20 
11, 14,95 | Petricola, Lam., 19 
11 | Pharaonis, 18 
11 Phasianella, Lam., 18 
11 | Philomycus, 64, 65 
