of British Columbia. 
61 
31. helicinn Mont. 
Rare, Vic., (G.W.T., C.F.N.) St. of Georgia, (C.F.N.) Johnstone St., 
Q.Ch.Sd., and Q.C.I., (G.M.D.) Rare, near low water. Circumboreal. 
Genus Solariella S. Wood 
8 cidaris A. Adams. 13, 16. 
Johnstone St., Q.Ch.Sd., Quatsino Sd., (G.M.D.) 
A specimen from San Pedro Bay is figured in No. 6, pi. XXII., fig. 4. 
A much larger specimen from Q.Ch.Sd., is figured by Air. Whiteaves, No. 
106, pi. I., fig. 2, and 2a. 
S. perarnabili s Cpr. 12,13. 
Dep. Bay, one dead, (G.W.T.) Q.Ch.Sd., six living, (G.M.D.) Neah 
Bay, AVashington, (Swan). 
Genus Cantharidus Monfort 
Subgenus Halistylus Dali, 40. 
C. (Halistylus) purpoipeus Rail. 12, 40, 6. (Fenella pupoidea Cpr.) 
Clayoquot Sd., four living, (C.F.N.) [W.H.D.j One shell, Q.C.I., (G.M.D.) 
Figured in No. 6, pi. XIX., fig. 2. 
Family CALYPTRAEIDAE 
Genus Crepidula Lamarck 
C. adunca Sby. 04. 
Vic., plentiful. Clayoquot Sd., (C.F.N.) Quatsino Sd., and Q.C.I., 
(G.M.D.) Frequently found in tide pools adhering to living gasteropods 
such as Exithria dir a, Calliostoma costaium , and Phorcus pulligo. 
C. dorsata Brod. Var. linc/ulata Gld. 60, 62. 
A dark variety, commonly found on living oysters ; a white variety fre- 
quently dredged on stones and bivalves. Vic., (N.H.S., G.W.T., C.F.N.) 
Low tide, Alalaspina Inlet, Q.Ch.Sd., (G.M.D.) 
Crepidula. navicelloides Nut-tall. 23, 7. 
A large variety, under large stones in tide pools. Vic., (G.AV.T., C.F.N.) 
Ganges Harbour, Clayoquot Sd., &c., (C.F.N.) A smaller, white variety 
dredged, attached to dead gasteropods. Vic., Dep. Bay, &c., (G.W.T., 
N.H.S., C.F.N.) Q.Ch.Sd., Q.C.I., (G.M.D.) Sometimes upwards of one 
inch and a half in length. 
Genus Galerus (Humph.) Gray 
6r. mammillaris Brod. 4, 5. 
Dredged on stones and dead shells, Vic., and most stations to Q.C.I., 
(G.M.D.) Sometimes one inch and a quarter in diameter. 
