of British Columbia. 
43 
Family MYIDAE 
Genus Mya L. 
31. truncata L. 
Vic., (N.H.S., GF.N.) several dead. Salt Spring I., living, (C. F. N.) 
Comox and Glayoquot, (C.F.N.) Discovery Passage, Johnstone St., Q.Ch.Sd., 
Quatsino Sd., and Q.C.I., (G.M.D.) Between tides. In boulder-clay, Vic., 
(C.F.N., &c.) 
3f. arenaria L. 
Cadboro’ Bay, Vic., (G.W.T., C.F.N.) St. of Georgia to Comox, (C.F.N.) 
Clayoquot Sd., (C.F.N.) 
Not on the earliest lists, and sujjposed by some to have been introduced 
from the Atlantic together with oyster spat. It has frequently been found 
as a fossil in the boulder-clay at Victoria and other places. 
Genus Cryptomya Conrad 
€• Calif orniea Com*. 23, 7. 
Vic., (G.W.T., C.F.N.) to Comox, (W.H., C.F.N.) Clayoquot Sd., (C.F.N.) 
Q.C.I., (G.M.D.) At low water. 
Genus Sciiizoth^erus Conrad 
S. Nuttalli' Corn*. 23,26. 
Generally distributed. One of the principal edible molluscs. Frequently 
shelters the crab Pinnotheres f aba, Dana. 
Genus Darina 
JD. declivis Cpr. 13, 17. 
Near Victoria, (Lord.) 
Family CORBULIDAE 
Genus Sph^nia Turton 
S. ovoid ea Cpr. 13, 21. 
Puget Sound, (Dr. Kennerley.) 
Genus Cuspidaria Nardo 
C. ( Cardioinya) pectinata Cpr. 13, 21. 
Vic., rare, (C.F.N.) Dep. Bay, (G.W.T., C.F.N.) St. of Georgia, Dis- 
covery Passage, Johnstone St, Q.Ch.Sd., and Q.C.I., (G.M.D.) Comox, 
(W.H.) At 15 to 70 fms. ( Neaera 'pectinata.) 
Family PAN DO RID A3 
Genus Pandora Hwass 
Sub-genus Clidiophora Cpr. 
C. punctata Conr. 23, 15. 
West Coast of V. I., (Wilkinson) Clayoquot Sd., a few living and many 
dead specimens, (C.F.N.) In clean sand, 3 to 10 fms. 
