^44 *Macnoera costata Gould B Mass. Bay. 



X 



i 45 *Panopoea arctica Gould D Stom. of Cod-fish. 



* 46 *Glycimcris siliqua Lam. A Provinceto\vn,Ms. 



* 47 *Mya arenaria Linn. A Staten Island. 



* 48 * " truncata " B Mass. Bay. 



49 Anatina papyracea Say C Rhode Island. 



4^50 *Cochlodesma,Leana Gould B Staten Island. 



51 *Thracia Conradi Couth C Mass. Bay. 



^ " truncata Mighls C Maine. 



K 52 *Osteodesma hyalina Couth A Staten Island. 



f 53 *Lutraria canaliculata Say B South Carolina. 



*^54 " lineata C " 



y 55 *Cumingia tellinoides Conrad B New Bedford. 



v Afi \Mactra lateralis Say A New York Bay. 



r 57 x <i similis tk C South Carolina. 



v 58 * " solidissima Chemn. A Staten Island. 



59 " fragilis " C South Carolina. 



(JO " nucleus Conrad C New Jersey. 



1/61 * " ould B MBa y- 



' 62 *Mesodesma arctata Gould B Mass. Bay. 



C3 * ' ; Jauresii De.Tohn.B " " 



G4 Montacuta bidentata Mont. B New Bedford. 



fif> *Kellia rubra Turton B New Bedford. 



