INVERTEBRATE FAUNA OF LABRADOR. 279 



. photograph taken hy Professor A. E. Verril,, and reduced in sfte from a specimen nearly 

 three inches long. 



Pecten tenuicostatus Mighl. 



P. magellanicus Laoik. . 



-CerS: £S3£ S^S S"r more in h ht, fta roo. 

 boinormdike galleries" in the shell, hastens the deeompostfon of dead sheik, very 



greatly. 



Pecten islandicus Moll. 



Common in ten to fifty fathoms on a sandy or rocky hard bottom. Valves are occasion- 

 ally thrown up on beaches. 



Limatula sulculus Leach. 

 Several were dredged in fifteen to fifty fathoms upon a sandy and gravelly bottom. 



Nucula tenuis Tortoh. 



Common on the whole coast on a muddy bottom. 



Nucula expansa Reeve, 

 j i, i iUr with the Dreceding. Dr. Stimpson has identified our 

 spe^rlTe^tSrtt,^ s^ei, Ckalan Bay, /fty fathoms, where ft 



occurred of large size. 



Yoldia sapotilla Stimps. 



A few of these occurred at a depth of ten to fifteen fathoms. 



Leda buccata Stimps. 



Abundant Does not differ from Greenland specimens. Long Island, fifteen fathoms. 

 Henley Harbor, twenty fathoms. 



Leda minuta (Fabr.) 

 Long Island, fifteen fathoms; Henley Harbor, twenty fathoms; Chateau Bay, fifty 

 fathom's ; Square Island, thirty fathoms. 



Crenella glandula Tukton. 

 Abundant Caribou Island in five fathoms, sandy bottom. Square Island, thirty 



fathoms. 



Modiolaria corrugata bnMPs. 



This species was found at a depth of fifty fathoms. 



MEMOIRS BOST. SOC. MAT. HIST. Vol. I. Pt. 2. 71 



