NORTH AMERICAN CONCHOLOOY 



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XX Fissurella alternata Say. 



XX Crepidula fornicata Linn. 



XX plana Say. 



XX ■ aculeata Gmel. 



XX Chiton apiculatus Say. 



XX Bulla soiitaria Say. 



XX canaliculata Sai/. 



XX Aplysia 



XX Sigaretus perspectivus S. 



XX Natica pusilla Say. 



XX duplicata Say. 



XX Scalaria clathrus L. 



XX multistriata Say. 



XX lineata Say. 



XX Littorina irrorata Say. 



XX Turritella ? 



XX Cancellaria reticulata L. 



XX Pleurotoma pusilla Rav. 



XX Fusus cinereus Say. 



XX Fasciolaria tulipa L. 



XX distans Lam. 



XX gigantea Kitner. 



XX Pyrula canaliculata Zi«n. 



XX carica Lam. 



XX perversa Zj'nn. 



XX pyrum Dillw. 



XX Ranella caudata Say. 



XX Murex 



XX Stronibus alatus Gmel. 



XX Cassis sulcosa Lnm. ? 



XX Purpura cataracta Clwmn. 



XX Dolium galea L. 



XX Nassa unicincta Say. 



XX obsoleta .S'((_y. 



XX vibex Say. 



XX trivittata .S'ay. 



XX Terebra clavata Rav. 



XX dislocata Say. 



XX concava -S'ay. 



XX Columbella avara >Snj/. 



XX lunata Say. 



XX Voluta junonia ('hemn. 



XX Marginella spilota i?au. 



XX guttata? Dillw. 



xxi Cvula acicularis Lam. 



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Oliva literata Lam. 



mutica Say. 

 TTnio complanatus Sol. 



confertus Lea. 



congaraeus Lea. 



fulvus Lea. 



Geddingsianus Zea. 



Grifathianus Lea. 



jejunus Rav. 



palliatus Lea. 



Watereensis Lea. 



angustatus Lea. 



foliculatus Lea. 



Vaughanianus Lea. 



modioliformis Lea, 



tenerus Rav. 



crocatus Lea. 



teeniatus Conr. 

 Margaritana marginata Say. 

 Anodon fluviatilis Sol. 

 A. cataracta Say. 



Dunlapiana Lea. 



incerta Lea. 

 Cyclas partumeia Say. 

 Cyrena Carolinensis Bosc. 

 Venus mercenaria Lj. 



notata Say. 



paphia Lj. 



elevata Say. 

 Artemis concentrica Born. 

 Astarte lunulata Conr. 

 Lucina tigerina L^. 



divaricata L. 



edentula L. 

 Cardita tridentata Say. 

 Cardium isocardia L. 



muricatum L. 



marmoreuni Lam. 



ventricosum Brug. 

 Area incongrua Say. 



pexata Say. 



ponderosa Say. 



transversa Say. 

 Nucula approzima Say. 



acuta Conr. 



