— 427 — 



Pages . 



Mytilus pelecinus, Locard 98 



— pelasiuiculinus, id Mli 



— pictus, Boi'n il8 



— retusus, Lamarck 129 



— solidus, Monlerosato 155 



— spatlmliiius, Locai'd 134 



— trigonus, id . 102 



— ungulatus. Risso . . 93 



— id. Donovan ^^ 



— violaceus, Kuster 107 



— vulgaris, Da Costa 123 



Nanina Chamissoi, Pfeiffer 201 



— cicercula, id 20o 



— exaeqiiata, Gray 209 



— exserta, Pfeiffer 190 



— misella, H. et A. Adams . .... 197 



— pusilla, Gray 194 



— subrutila, id 208 



Nerita elegans, MuUer 74 



— fluviatilis, Linnœus 81 



— piscirialis, Millier 81 



— tuberculala, id 5, 362 



— vivipaia, id 76 



Nyassella acuminata, Bourguignat 22 



— arenaria, id. 20 



— episema, id. 22 



— forniosa, id. 21 



— pulchra, id. 19 



— Smithi, il. 18 



— Tayloriana, id. 23 



Nyassia aculalis, id. 10 



— callista, id. 12 



— Edgari, id. 13 



— elegans, id. 15 



— Giraudi, il. 15 



— hcrmosa, id. 8 



