270 



Page. 



Physa elongata, 81 



— glabra, 80 



— globosa, 81 



— gyrina, 79 



— heterostropha, .... 76 



— integra, ......... 81 



— obesa, 78 



— planorbula, , 76 



— plicata, 78 



— pomilia, 81 



— sayi, 81 



Pinna muricata, 187 



— seminuda, 187 



Pirena scalariformis, . . . . 128 



Pisidium abditum, 226 



— abruptum, .... 226 

 Planorbis antrorsus, . 66 



— armigerus, ... 62 



— bicarinatus, ... 60 



— campanulatus, . 6 1 



— corpulentus, . . 64 



— deflectus, .... 65 



— dilatatus, 66 



— elevatus, 65 



— exacutus, 63 



— glabratus, .... 66 



— hirsutus, 64 



— lentus, 60 



— mega&toma, ... 61 



— obliquus, 62 



— parvus, 63 



— trivolvis, 59 



— • virens, 66 



Pleu rotoma bicarinata, ... 1 49 



— decussata, . . . 150 



— plicata, 150 



Plicatula ramosa, 174 



PTEROPODA, 6 



Pupa armifera, 52 



— badia, 49 



— contracta, 49 



— corticaria 50 



INDEX. 



Page. 



Pupa exigua, 49 



— fallax, 51 



— milium, 48 



— ovata, 50 



— pentodon, 50 



— rupicola, 52 



— simplex, 52 



Purpura bizonalis, 136 



— floridana, 136 



— imbricata, 136 



— lapillus, 135 



Purpurid^:, 130 



Pyramis striatula, 114 



Pyrula canaliculata, 140 



— carica, ,.. 141 



— papyratia, 142 



— spirata, 142 



Ranella caudata, 139 



Rostellaria occidentalis, . . 151 



Sanguinolaria fusca, 212 



— lusoria, ... 213 



— rugosa, ... 213 



— sordida, ... 213 



Saxicava distorta, 257 



Saxicavid^e, 226 



Scalaria clathrus, 127 



— humphreysi, .... 127 



— lineata, 1 26 



— multistriata, .... 1 26 



— novanglia? 127 



— subulata, 125 



— turbinate, 127 



SEPIAD.E, 2 



Skenea laxa, 117 



— serpuloides, 117 



Sigaretus haliotoideus, . . . 153 



— maculatus, . . . . 153 



— perspectivus, . . 153 



Siphonidje, 5 



Solecurtus caribeus, 243 



— fragilis, 244 



Solemya borealis 246 



Page. 



Solemya velum, 245 



Solen ensis, 242 



— viridis, 243 



Solenid.e, 243 



Succinea avara, 54 



— campestris, .... 54 



— obliquus, 53 



— ovalis, 53 



— retusa, 55 



Spirula peronii, 5 



Tebennophorus caroli- 



nensis, 24 



Tellina alternata, 211 



— decora, 211 



— flexuosa, 210 



— interstriata, 211 



— iris, 210 



— lateralis, 210 



— mera, 211 



— polita, 210 



— tenera, 209 



— tenta, 210 



— versicolor, 209 



Tellinidjs, 208 



Terebra dislocata, 152 



Terebratulacaput-serpentis, 167 



— psittacea, .... 167 



— thalassina, . . . 167 



Terebratulid^e, 166 



Teredo navalis, 249 



Teredinid.3:, 249 



Thracia conradi, 237 



Tornatella punctostriata, . 127 



Trichotropis borealis, ... 137 



Tritonia reynoldsi, 8 



TritonidjE, . . 8 



Trochidje, 124 



TUNICATA, 258 



TURBINID.E, 83 



Turritella a?qualis, 113 



— alternata, 113 



— concava 113 



