CONTENTS, 



Lamellibranchiata, Part I. 



Page 



Introduction I 



Anomia . 3 



— patelliformis L 4 



squamula L . 5 



[Ostrea edulis L.J . . . 11 



Pecten pusio L 11 



— opercularis L 13 



islandicm Mull.. . 15 



— aratits Gmel 19 



— septemradiatus Mull 20 



tigrinus Mull. 22 



striatus Mull. 24 



imbrifer Lo v . . 25 



Tit reus Ch e m n. 27 



similis Lask 29 



— groenlandicus Sow 30 



— frigidus Jensen 33 



— undatm Verr. & Smith 37 



— maximus L 37 



Amussitim lucidum J ef f r. 37 



Ziffin loscombii S o w. 38 



— excavata Fabr 39 



— gwyni Sykes 4° 



— hyperborea Jensen 41 



— subauriculata Mont. 4 2 



— similis u. s p. 44 



— subovata J ef f r 44 



— ingoljiana 11. s p 45 



— jeffreysi Fisch 45 



.. 46 



■ . 47 



- 48 



Lima sarsii Lov 



Mylilui edulis J.. . . 



Modiola modiolus, L . . . 



phaseolina Phil. 51 



Dacrydium vitreum Moll. ............ 53 



Lias argentt'us Jeffr 56 



Modiolaria 57 



discors I 57 



corrugata Stps 62 



nigra Graj 63 



faba Fabr. . 66 



Crenella decussata Mont 6S 



Cardium echinatum L. ...... 71 



[edul I..| 73 



minimum Ph. 74 



fasciatum Mont 75 



[nodosum Turt.J 79 



ciliatitm Fabr. 79 



elegantulum Moll. 84 



— [norvegicum Spgl.] , . . 85 



groenlandicum Ch 85 



[ Isot ardia cor L.j ^t) 



Cyprina islandica L S9 



Astarte borcalis Ch. 92 



— Montagui Dillw 97 



— sulcata D. C. [05 



— elliptica Brown . io-S 



— crenata G r a y 



