204 REFERENCE TO PLATES. 



Figures. Plates. Species. Pake 



Cassis granulosa, Brug 43 



Doliurn gal pa, Linn 4.! 



perdix, Lion 43 



Cerithiopsis Emersomi, Ad 44 



terebralis, Ad 44 



Acus dislocatns, Say 4.") 



Oliva llterata, Lam 46 



mnticn. Say 46 



Plenrotoma bicarinata, Couth 47 



brunnea, Perkins 47 



cerina, K. & S 48 



Bela tnrricula, Leacb 4S 



harpularia, Couth 49 



pleurotomaria, Couth 49 



cancellata, M, & A 49 



treri-lliana, Turtou 60 



violacea, M. & A 50 



Mangelia fitiformis, Holmes 52 



Voluta Junonia, Chemn 53 



Hitra granulosa, Lam 53 



Marginella guttata, IMilw 53 



roscida, Kedt" S3 



Porcellaua exanthema, Linn 55 



Trivia quadripunctata, Gray 55 



Volva aniplicata, Sown 56 



Natica afflnis, Gmel 66 



pusllla, Say 58 



Lnnatia beros, Say 59 



Groenlandica, MillJ 59 



Never! t a duplicata, Say 60 



Mamma Immaculate Totten 60 



Bnlbus Bmithii, Bniwn 60 



Amauropsis I si a odica, Gmel 61 



Sigaretus perspectivns, Say 61 



macnlatus, Say 61 



Marsenia perspicua, Liuu 62 



Yelutina laevigata, Linn 62 



zonata, Old 62 



Obeliscns crenulatus, Holmes 64 



Tnrbonilla interrupta, Tot ten 64 



uivea, st imp 64 



slogans, Vorrill 65 



Odostomia prodncta, Ad 66 



fusca, Ad 66 



deal bat a, Stimp 67 



modesta, Stiiiip 67 



bisuturalis, Say 67 



trifida, Totten. 67 



Bemiduda, Ad 68 



Impressa, Say 68 



Aclis polita, Vorrill 69 



Menestho stria til la Couth 69 



Eulima oleacea, K. & S 69 



Apporhais occiden talis, Hock 18 



Cerithium ferrugineum, Say 71 



Hittmm nigrum, Totten 71 



Greenii, Ad 72 



Trlforis nigrocinctus, Ad 72 



Turrit el la erosa, Couth 73 



reticulata. M. & A 73 



costulata, M. & A 74 



acicula, Stimp 74 



radicula, Stimp 74 



C<ecum pulcliellum, stimp 75 



costatum, Verrill 76 



Scalaria Nov-Angli«, Couth 76 



lineata, Say 76 



Groenlandica, Chemn 77 



angulata, Say 77 



turbinata, Conr 77 



multistriata, Say 77 



borealis, Leek 78 



Littorina dilatata, Orb 79 



rudis, Donov 79 



tenebrosa, Mont 79 



litorea, Linn 80 



palliala, Say 80 



irrorata, Say 80 



