NORTH AMERICAN CONCHOLOGY. 

 [Morcli, MoUusca Gronlandica.] 



■79 



Anatina striata Gray. 

 L. gihbosa Hanc. 

 90 Thracia myopsis Bk. 

 T. Couthouyi St. 

 90 truncata Migh. et Ad. 



90 Tellina sabulosa <Sp^/. (Ma- 

 coma). 

 Psammobia sordida Couth. 

 T. proxima Smith. 



lata Loven non Gmel. 

 calcaria Bk. 

 90 ? 



90 tenera Leach. 



T. gronlandica Bk. 

 Fabricii Hanley. 

 Psammobia fusca S. 

 Venus fragilis Fabr. 



91 Venus fluctuosa Gould. 



V. astartoides Bk. 



Tapes fluctuosa Desh. 

 91 Pisidium Steenbuchii {Cy- 



clas) Moll. 

 91 Thyaaira Gouldii Pkil. 



Cryptodon flexuosam Moll. 



Tyatira hyalina Bk. 



91 ? 



91 Montacuta elevata St. 



3f. hidentata Gld.non Gm. 

 91 ferruginosa Mont, (var.) 



gronlandica Clausina). 

 91 Kellia planulata St. 



K. Tuhra Gould non Mont. 

 91 Turtonia minuta Fabr. ( Ve- 

 nus'). 



Chione iMnuta Desh. 

 91 Aatarte compressa ( Venus) 



Linn. 



Venus borealis Chemn. 



A. elliptica Brown. 

 semisulcala Gray. 



Mactra veneriformis Gray. 

 91 crebricostata McAn. ^ F. 



A. crenala Gray ? 



92 Astarte semisulcata Leach 

 (Tridonta). 

 Crassina arctica Gr. 

 Venus borealis Ch. 

 Crassina corrugata Br. 

 92 striata Leach (Nicania). 



A. multicostata Macg. 

 92 var. globosa Moll. 



92 Banksii ieacA (Nicania). 



92 pulchella ./on. (Nicania). 



A. Warharni Hanc. ? 

 92 Cyprina Islandica ( Venus) 



Linn. 

 92 Cardium ciliatum Fabr. 

 C. Lslandicum Ch. 

 arctium Sowb. 

 92 elegantulum Beck. 



92 gronlandicum Chemn. 



(Serripea). 

 Venus Islandica Fabr. 



non Linn. 



92 Nucula inflata Hanc. 



N. tenuis Gray. 

 obliquata Bk. 



93 nitida Soicb. [Ad. 

 93 delphinodonta Migh. et 



N. corticata Holb. & Moll. 

 93 Nuculanabuccata St. ^ Moll. 



N. Jackson i Gould. 

 93 pernula Mull. 



Area Martinii Bolt. 



Leda macilenta St. & Moll. 



Nucula rostrata Mart. 



flnviatilis Sowb. 

 93 minuta (Area) Miill. 



N. purvula Sowb. " 

 93 var. grandis. 



Leda complanata Moll. 

 93 glacialis (Area) Gray. 



(Portlandia). 



Yoldia Portlandica Wd. 

 glacialis Gray. 



Nucida truncata Brown. 

 93 Yoldia arctica (Nucula) Gr. 



