INVERTEBRATE FAUNA OF LABRADOR. 281 



differ very much from the Lahrador shells in being very triangular, not much longer than 

 high, and having the beaks small and flattened, and placed far anteriorly. Were there not 

 others approaching very closely to some Labrador forms, these characters would easily sep- 

 arate the grcenlandicus into two representative species. Whole coast; Square Island, ten 

 to fifty fathoms ; Long Island, thirty fathoms. 



Gemma Totteni Stimps. 



Venus gemma Totten. 



Taken in Indian Harbor, low water. 



Tapes fluctuosa Sowb. 



One valve from the Bank. Henley Harbor, twenty fathoms ; Square Island, thirty fath- 

 oms. Not uncommon. 



Mactra solidissima Chemn. 



One valve was given me, which was taken three miles inland from the mouth of Esqui- 

 maux River on a sand beach. 



Mactra polynema Stimps. 



Mactra ovalis Gould. 



This species was found rarely having been thrown up on beaches. 



Mesodesma Jauresii Joannis. 

 It is of a very large size, and thrown up very abundantly on beaches. 



Macoma fusca Stimps. 



It is quite common, generally occurring between tide marks. 



Macoma sabulosa Stimps. 



T. proximo. 



A very large and abundant species, taken in fifteen fathoms, at Salmon Bay ; Long 

 Island. 



Solenensis Linn. 



Rarely taken. Some young specimens were dredged at a depth of fifteen fathoms. 



Thracia Conradi Couth. 

 We succeeded in dredging only one small specimen of this shell. 



Thracia myopsis Beck. 



A fine large specimen was dredged in ten fathoms mud, at Salmon Bay ; at Long Island, 



in fifteen fathoms, sand. 



Anatina papyracea Sat. 



In fifteen fathoms, sandy bottom, at Chateau Bay. It was identified by Dr. A. A. Gould. 



