- Bi 
Lymnaea subpalustris 126 
— tumida 121 
— umbrosa 127 
— ventricosa 125 
M. 
Maclurea 328 
Macrocheilus 274 
— elongatus 311 
Magilus antiquus 830 
Marginella eypraeola 703 
— eburnea 702 
— emarginata 703 
— faba 702 
— lineata 702 
— ovulata 703 
— persicula 702 
— subeypraeola 704 
Megalostoma Antillarum 109 
— pupa 109 
Melania acutalis 217 
— asperata 186 
— Bolina 221 
— Bronnii 210 
— (Celebensis 200 
— coaretata 212 
— cochleata 220 
— columnaris 217 
— constrieta 215 
— costellata 193 
— Cuvieri 186 
— deperdita 274 
— Escheri 188 
— granulatocincta 207 
— grossecostata 186 
— Heddingtonensis 208 
— Hehlii 223 
— inflata 205 
— inquinata 193 
— lactea 203 
Register. 
Melania lineata 210 
Lommeli 220 
longissima 216 
macra 212 
marginata 205 
multitorquata 219 
mummifieirt 188 
Nympha 217 
paludinaria 221 
phasianoides 214 
polita 206. 419 
Quenstedti 192 
Schlotheimii 221 
striata 213 
striatella 214 
strombiformis 185 
Stygii 204 
subornata 220 
subscalaris 218 
subulata 206 
supraplecta 219 
terebellata 206 
texata 219 
turrita 186. 191 
turritelliformis 218 
undulata 186. 213 
varicosa 187 
ziezac 211 
Zieteni 186 
Melanopsis amarula 203 
atra 202 
Bouei 198 
buceinoides 195 
eitharella 201 
costata 202 
Dufourii 195 
impressa 195 
Martinsiana 196 
praerosa 194 
D4 * 
851 
