84 



BIBLIOGRAPHY OP 



Pa. Fig. 

 70 



Lucina divaricata Lin. 

 Tellina divaricata Lin. 

 . Cardium arcuatum Mont. 

 Pectunculu.i parvus Lister. 

 Strigilla divaricata Turton. 



Pa. Fig. 



71 52 



Lucina flexuosa Mont. 

 Tellina flexuosa Mont. 

 Venus sinuosa Donovan. 

 Cryptodon flexuosa Turton. 



Family Conchacea Lam. 



72 



53 



Cyclas simills Say. 









C. sulcata Lam. 





73 



54 



partumeia Say. 



80 47 







C. cornea Lam. (var.) 



81 48 



74 



55 



elegans Adams. 



82 



75 



56 



dubia Say. 





76 



45 



Astarte castanea Say. 

 Venus castanea Say. 

 Crassina castanea Lam. 





78 



46 



sulcata Mont. 



Venus sulcata Mont. 









Danmonia Mont. 



84 49 







Danmoniensis Blainv. 



85 67 







Crassina sulcata Tui-ton. 



86 67 







Danmoniensis Lam. 



87 50 







Astarte Danmoniensis Sowb. 



88 51 



sulcata Fleming. 

 Venus Scotica Mont. 

 Astarte lactea Br. & Sowb. 



quadrans Gould. 

 Cyprina Islandica Lin. 



Pectunculus maximus Lister. 



crassus Da Costa. 

 Venus Islandica Lin. 



mercenaria Pennant. 

 bucardium Born. 

 Cyprina vulgaris Sowb. 

 Cytherea convexa Say. 

 Venus mercenaria Lin. 

 notata Say. 

 fluctuosa Gould. 

 gemma Tott. 



89 58 



90 57 

 91 



95 60 

 96 



97 66 



98 62 

 99 



100 61 



101 



Cardium Islandicum Lin 



C. ciliatum 0. Fabr. 

 puhescens Couth.. 

 pinnulatum Conr. 

 Mortoni Conr. 



Family Cardiacea Desh. 



92 



Cardium Grcenlandicum Chem. 

 Mactra radiata Donovan 

 C. edentulum Sowb. 

 Aphrodite columba Lea. 

 94 59 Cardita borealis Conr. 



Arcturus rudis Humph. MSS. 



Family Arcacea Lam 



Area pexata Say. 

 transversa Say. 

 Nucula thracieeformis Storer. 102 67 

 limatula Say. 



■myalis Couth. 103 



sapotilia Gould. 103 63 



N. laevigata Gould, olim. 105 64 



minuta Gmelin. 



Area minuta Gmelin. 



Area caudata Donovan. 



N. rostrata Sowb. 



tenuisidcata Couth. 

 Nucula Jacksonii Gld. (fossil 

 Me). 

 navicularis Couth. 

 proxima Say. 

 tenuis Mont. 



Area tenuis Mont. 



Nucula lucida Blanding MSS. 



