180 



INDEX. 







PAGE 



Caudita niitifi? Lam 



. 147 



obovata, Edw. 





. 148 



oblono;a, /. Sow. 





. 149 



pancicostata, Sandh. 





149 



• planicosta, Lam. 





150 



simplex, Edw. 





. 151 



sulcata, Solander 





152 



Cham A calcarata, Lam. . 





172 



fimbriata? Befrance . 





173 



gigas, T)esh. 





174 



prisca, jS. Wood 





177 



Selseyensis, Edw. 





176 



squamosa, Solander 





. 175 



sulcata, Desk. 





175 



turgidula, Lam. . 





176 



CoxG£itu Basteroti, Desii. 





59 



Crassatella Bartonensis, Eduo. 





. 163 



Bronnii 1 Menard 





163 



,, 1 var. tumesceus 



164 



,, ? ,, sequalis 



164 



corbiiloides, Edw. ". 



164 



compressa, Lam. 



164 



,, var. hemileia . 



165 



gibbosula, De.sh. 



165 



Grignonensis, Desk. . 



166 



„ var. planiuscula 



167 



plicata, J. Sow. 



167 



pumilio, iS. Wood 



168 



sinuosa, Lam. . 



168 



Sowerbyi, Edw. 



169 



,, var. Hantoniensis 



169 



,, ,, semilsevis . 



169 



„ ,, obesa 



169 



subquadrata, Edw. . 



169 



sulcata, Solander 



170 



„ var. ensiformis 



171 



,, ,, gradata . 



171 



tenuisulcata 



. 171 



„ var. lineatissima 



171 



CucuLL/EA decussata, Parkinson 



93 



crassatina, Morris 



. 93 



D. 





Dbeissexa Brardii, Favj. St. Fond 



59 



Sowerbyi, D'Orb. 



, 



59 



IsocAiiDiA sulcata, J. Sow. 



140 



Leda amygdaloides, J. Sow. 



costulata, Desk. 



deltoidea, Morris 



Galeottiana, Nyst 



minima, J. Sow. 



oblata, 8. Wood . 



prisca, Desh. 



partim-striata, ;S^. Wood 



propinqua, S. Wood 



substriata, Harris 

 Lima compta, S. Wood 



expansa, J. Sow. 



soror, S. Wood 



obliqua, Morris 

 LiMOPSis granulata, Lam. 

 scalaris, J. Sow 

 LiTHODOMUS Deshayesii, J. Sow. 



sublithophayus, D'Orb 



M. 



125 



125 



105 



126 



127 



128 



128 



129 



129 



130 



48 



49 



49 



49 



103 



104. 



64 



64 



Bartonensis, S. Wood 





. 75 



consobrina, S. Wood 





. 76 



crassisstriata, Edw. . 





. 75 



depressa, J. Sow. 







. 63 



Deshayesii, /. Sow. 







64,76 



dimidiata, 5'. Wood 







. 66 



dorsata, Morris 







. 65 



elegans, J. Sow. 







. 65 



eximia, S. Wood 







. 66 



flabellula, S. Wood 







. 67 



hastata, Desh. 







. 67 



Hempsteadiensis 







. 76 



lithophaga, Desh. 







. 64 



Mitchelli, Morris 







. 68 



nodulifera, S. Wood 







. 68 



Nystii, Kicks . 







. 68 



Nysfiana, Forbes 







. 69 



Prestwichii, Morris 







. 69 



Rigaultii, Desli. 







. 77 



pygmaea, S. Wood 







. 70 



seminuda, Besh. 







. 70 



simplex, /. Sowerby 







. 71 



subcarinata. Lam. 







. 77 



subcancellata, Edw. 







. 77 



sulcata, Lam. . 







. 72 



teuuistriata, Mellv. 







. 73 



