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 



— bicavinatus, ... 60 



— campanulatus,. 61 



— corpulentus, . . 64 



— deflectus, .... 65 



— dilatatus, 66 



— elevatus, 65 



— exacutus, 63 



— glabratus, .... 66 



— hirsutus, 64 



— lentus, 60 



— megastoma,. . . 61 



— obliquus, 62 



— parvus, 63 



— trivolvis, 59 



— virens, 66 



Pleurotoma bicarinata, ... 1 49 



— decussata, ... 150 



— plicata, 150 



Plicatula ramosa, 174 



PTEROPODA, 6 



Pupa armifera, 52 



— badia, 49 



— contracta, , 49 



— corticana 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^, 226 



Scalaria clathrus, 127 



— humphreysi, . . . . 127 



— lineata, 126 



— multistriata, .... 126 



— novanglioB, 127 



— subulata, 125 



— turbinata, 127 



Sefiad^, 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^, 243 



Succinea avara, 54 



— campestris, .... 54 



— obliquus, 53 



— ovalis, 53 



— rctusa, 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 



Teuebratulidje, 166 



Teredo navalis, 249 



Teredinidje, 249 



Thracia conradi, 237 



Tornatella punctostriata, . 127 

 Tricbotropis borealis, ... 137 

 Tritonia reynoldsi, 8 



TRITOXlDiE, 8 



Trochidje, 124 



TUNICATA, 258 



TURBINID^, 83 



Turritella tequalis, 113 



— alternata, 113 



— concava, 113 



