INDEX. 



251 



Mactra (continued). 

 subtruncata, 188. 

 triangula, Brocchi, 188. 

 triangulata, 188. 

 violacea, Lamarck, 188. 

 Mangelia costulata, Risso, 220. 

 Margarita argentata, Gould, 202. 

 campanulata, Morse, 202. 

 Harrisoni, A. Hancock, 202. 

 olivacea, Brown, 202. 

 varicosa, Mighels, 203. 

 Marginella, 222. 



Mathilda margaritula, Semper, 217. 

 Megerlia truncata, 164. 

 Melampus, De Montfort, 103, 104, 



105, 107, 109, 110, 152. 

 bidens, 104. 

 bidentatus, Montagu, 96, 102, 104, 



105, 106, 109. 

 bidentatus, Say, 106. 

 corneus, Deshayes, 106. 

 myosotis, Draparnaud, 106, 109. 

 myosotis, var. ringens, 102, 107, 



108. 



pusillus, G-melin, 109. t 



Melania Charreyi, Morelet, 99, 208. 

 Melibaa, 21, 61. 



(Doto) fragilis, Forbes, 60. 

 pinnatifida, Jobnston, 60. 

 Menestho, Moller, 102. 

 Menippe, 210. 



Modiola australis, Gray, 171. 

 cuprea, 172. 



Philippinarum, Hanley, 171. 

 Modiolaria costulata, 171. 

 discors, 171. 

 marmorata, 171, 217. 

 nigra, 171. 



Petagna, Scaccbi, 171. 

 striatula, Beck, 172. 

 Monodonta agyptiaca, Payraudeau, 



203. 



limbata, Philippi, 204. 

 Montacuta bidentata, 177, 17&. 

 Dawsoni, 178. 

 donacina, 178. 

 ferruginnsa, 178. 

 substriata, 177. 

 tumidula, Jeffreys, 177, 178. 

 Montagua viridis, Forbes, 52. 

 Murex aciculatus, 218. 



contrarius, J. Sowerby, 115. 

 erinaceus, 218. 

 heptagonus, Brocchi, 218. 



Murex (continued). 



tortuosus, 218. 

 Mya arenaria, 192. 



Binghami, 192. 



japonica, Jay, 192. 



truncata, 192. 



Myrina oceanica, Conti, 192. 

 Mytilus Adriaticus, 171. 



barbatus, 171. 



Cavolini, Scacchi, 171. 



edulis, 111, 171. 



modiolus, 171. 



phaseolinus, 171. 



Wolgce, Cbemnitz, 151. 



Nassa incrassata, 219. 



nitida, 219. 

 pygmcea, 219. 



reticulata, 219. 

 Natica affinis, 215. 



Alderi, 215. 



catena, 215. 



fusca, De BlainviUe, 215. 



Groenlandica, 100, 215. 



Islandica, 215. 



Montacuti, 215, 



occhtsa, S. Wood, 215. 



Poliana, Delle Chiaje, 215. 



sordida, 215. 

 Naticina, 194. 

 Nautilus, 19, 121, 122. 



msfo, L., 152. 

 Ne&ra abbreviata, 191. 



costellata, 191. 



cuspidata, 191. 



ofosa, Loven, 192. 



rostrata, 191. 

 Nerita helicina, Brocchi, 215. 



Syncera, Gray, 98. 



Syncera hepatica, Gray, 101. 

 Neritina fluviatttis, 151. 

 .ZWso, Eisso, 210. 

 Nucula <zgeensis, Forbes, 172. 



Macandrai, Hanley, 172. 



navicularis,. Couthouy, 173. 



nitida, 172. 



nucleus, 172. 



pellucida, Philippi, 173. 



sulcata, 172. 



ztewww, 172. 



NUDIBRANCHIATA, Cuvier, 

 28. 



OCTOCERA, De BlainTille, 142. 



