INDEX. 



251 



Mactra (continued), 

 subtruncata, 188. 

 triangula, Brocchi, 188. 

 triangulata, 188. 

 violacea, Lamarck, 188. 

 Mangelia costulata, Risso, 220. 

 Margarita argentata, Gould, 202. 

 campanxdata, Morse, 202. 

 Harrisoni, A. Hancock, 202. 

 olivacea. Brown, 202. 

 varicosa, Mighels, 203. 

 Marginella, 222. 



Mathilda inargaritida, Semper, 217. 

 Megerlia truncata, 164. 

 Melanipus, De Montfort, 103, 104, 

 105, 107, 109, 110, 152. 

 bidens, 104. 

 bidentatus, Montagu, 96, 102, 104, 



105, 106, 109. 

 bidentatus, Say, 106. 

 comeus, Deshayes, 106. 

 myosotis, Draparnaud, 106, 109. 

 myosotis, var. ringens, 102, 107, 



108. 

 pusilhis, G-melin, 109. 

 Melania Charreyi, Morelet, 99, 208. 

 Meliboea, 21, 61. 



(Doto) frag His, Forbes, 60. 

 pinnatifida, Johnston, 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. 



Petagnce, Scacchi, 171. 

 striatula, Beck, 172. 

 Monodonta agyptiaca, Payraudeau, 

 203. 

 limbata, Philippi, 204. 

 Montacuta bidentata, 177, 178. 

 Dawsoni, 178. 

 donacina, 178. 

 ferruginosa, 178. 

 substriata, 177. 

 tumidida, Jeffreys, 177, 178. 

 Montagua viridis, Forbes, 52. 

 Murex acicnlatus, 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, Chemnitz, 151. 



Nassa incrassata, 219. 



nitida, 219. 

 pygmoea, 219. 



reticulata, 219. 

 Natica affinis, 215. 



Alderi, 215. 



catena, 215. 



fusca, De Blainville, 215, 



Groenlandica, 100, 215. 



Islandica, 215. 



Montacuti, 215, 



occlusa, S. Wood, 215. 



Poliana, Delle Chiaje, 215;. 



sordida, 215. 

 Naticina, 194. 

 Nautilus, 19, 121, 122. 



crista, L., 152. 

 Necera abbreviata, 191. 



costellata, 191. 



cuspidata, 191. 



ofosa, Loven, 192. 



rostrata, 191. 

 Nerita kelicina, Brocchi, 215. 



Syncera, Gray, 98. 



Syncera hepatica, Gray, 101. 

 Neritina fluviatilis, 151. 

 iVwo, Risso, 210. 

 Nucula csgeensis, Forbes, 172. 



Macandrcei, Hanley, 172. 



navicidaris, Couthouy, 173. 



nitida, 172. 



nucleus, 172. 



pellucida, Philippi, 173. 



sulcata, 172. 



tenu is 172. 

 NUDIBRANCHIATA, Cuvier, rg. 

 28. 



Octocera, De Blahrville, 142. 



