lde{> ] PKOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 207 



This species ranges from tlie Alaskan coast to the north of Europe, 

 all around the pole, in suitable localities. 



ACEPHALA. 



Mya arenaria Linn6. 



Eigolet, Labrador. Collector's number, 89; Museum number, 73751. 



Mya truncata Linn^. 



Davis Inlet, Labrador. Collector's number, 110; Museum number, 

 73752. 



Saxicava arctica Linn6. 



Labrador's reef, Ungava Bay, near Fort Chimo, August 5, 1885. 

 Collector's number, 236 ; Museum number, 73753. 



Dead shells plentiful, but living ones rare. 



Cardium ciliatum Fabricius. 



Collector's number, 4044 ; Museum number, 73754. 



Fragments only. These fragments are probably subfossil. They 

 were taken from the blue clay which forms a deposit about a mile and 

 a quarter south of Fort Chimo on the river. The spot is known as the 

 " Loom (or Loam ?) Hole," and is a peculiarly shaped cove, or pocket, in 

 the river bank. 



Macoma tenera Leacb, var. gronlandica Beck. 



Eigolet, Labrador, July 5, 1885, and Davis Inlet. Collector's num- 

 bers, 89, 111 ; Museum number, 73755. 



This with T. Fabricii and frigida Hanley, inconspicua Brod. & Sow., 

 fiisca Say, &c.; are probably only variations of one type which appears 

 in ISTorthern Europe under the name of T. balthica Linne. 



Modiolaria laevigata Gray. 



Plenty on the Labrador's reef, IJngava Bay, near Fort Chimo, Au 

 gust 5, 1885. Collector's number, 230; Museum number, 73756. 



Creuella faba Fabricius. 



With the last common. Collector's number, 232 ; Museum number, 

 73757. 



This species is curiously local in its range. 



Mytilus edulis Liun6. 



Eigolet, with H^ecimens of Balanus halmioides (L.) Darwin {=:ovularis 

 Gould, Mass. Eep., 1842), growing uy n it. 



Davis Inlet, Labrador, and Labrador's reef, mouth of Koksoak Eiver, 

 Ungava Bay, August 5, 1885. Collector's numbers, 89, 110, 224; Mu- 

 seum number, 73758. 



