204 REFERENCE TO PLATES. 



FIGURES. PLATES. SPECIES. PAGE 



68 8 Cassis granulosa, Brug 43 



69 8 Dolium galea, Linn 43 



70 9 perdix, Linn 43 



71 8 Cerithiopsis Emersonii, Ad 44 



72 8 terebralis, Ad 44 



73 8 Acus dislocatns, Say 45 



74 9 Oliva literata, Lam 46 



75-6 8 mutica, Say 46 



77 8 Pleurotoma bicarinata, Conth 47 



78 8 brunnea, Perkins 47 



79 8 cerina, K. & S 48 



80 8 Bela turricula, Leach 48 



81 8 harpularia, Couth 49 



82 8 pleurotomaria, Couth 49 



83 8 cancellata, M. & A 49 



84 8 trevelliana, Turton. 50 



85 8 violacea, M. & A 50 



86 8 Mangelia ffliformis, Holmes 52 



87 9 Voluta Junonia, Chemn 53 



88 9 Mitra granulosa, Larn 53 



89 9 Marginella guttata, Dillw 53 



90 9 roscida, Redf 53 



91 3 Porcellana exanthema, Linn 55 



92 9 Trivia quadripunctata, Gray 55 



93 9 Volva uniplicata, Sowb 56 



94 9 Naticaafflnis, (jmel 68 



55 9 pusilla, Say 58 



96-9 10 Lunatia heros, Say 69 



100 9 Grcenlandica, Moll 59 



101 10 Neverita duplicata, Say 60 



302 9 Mamma immaculata Totten 60 



103 9 Bulbus Smithii, Brown 60 



104 9- Amauropsis Islandica, Gmel 61 



105 10 Sigaretus perKpectivus, Say 61 



106 10 maculatus, Say 61 



107 9 Marsenia perspicua, Linn 62 



108 9 Velutina Izevigata, Linn 62 



109 9 zonata, Old 62 



110 9 Obeliscus crenulatus, Holmes 64 



111 10 Turbonilla interrupta, Totten 64 



112 10 nivea, Stimp 64 



113 10 elegans, Verrill 65 



114 10 Odostomia producta, Ad 66 



115 10 fusca, Ad 66 



116 10 dealbata, Stimp 67 



117 10 modesta, Stimp 67 



118 10 bisuturalis, Say 67 



119 10 trifida, Totten 67 



120 10 eemiduda, Ad 68 



121 10 impressa, Say 68 



122 10 Aclis polita, Verrill 69 



123 10 Menestho striatula Couth 69 



124 10 Eulima oleacea, K. & S 69 



10 Apporhais occidental!*, Beck 18 



126 10 . Cerithium ferrugineum, Say 71 



127 10 Bittium nigrum, Totten 71 



128 11 Greenii, Ad 72 



129 11 Triforis nigrocinctus, Ad 72 



130 11 Turritella erosa, Couth 73 



131 11 reticulata, M. & A 73 



132 11 costulata, M. & A 74 



133 11 acicula, Stimp 74 



134 11 radicula, Stimp 74 



135 11 Csscum pulchellum, Stimp 75 



136 11 coetatum, Verrill 76 



137 11 Scalarla Nov-Auglije, Couth 76 



138 11 lineata, Say 76 



139 11 Grcenlandica, Chemn 77 



140 11 angulata, Say 77 



141 11 turbinata, Conr 77 



142 11 multistriata, Say 77 



143 11 borealis, Beck 78 



144 11 Littorina dilatata, Orb 79 



145 11 rudis, Donov 79 



146 11 tenebrosa, Mont 79 



147 11 litorea, Linn 80 



148 11 palliata, Say 80 



149 11 irrorata, Say 80 



