[TAYLOR] MARINE MOLLUSCA 81 
Queen Charlotte Sound, and recorded by Mr. Whiteaves as B. subtenuis, 
was most likely of the present species. B. subtenuis is common to the 
south of us and is distinguished by being wider and altogether much 
larger than B. haliotiphila. 
HYDROBIA, Hartmann. 
282. HyproBrA CALIFORNICA, Tryon. 
Amer. Journ. Conch., vol. i., p. 221, pl. xxii., fig. 11 (1865). 
Very common under stones between tides in brackish water in the 
Victoria Arm and in Ganges Harbour, Salt Spring Island. 
PALUDINELLA, Pfeiffer. 
283. PALUDINELLA CASTANEA, Carpenter. 
Paludinella sp., Cpr., Rept. Brit. Assoc., 1863, p. 656 (August, 1864). 
Paludinella castanea, Cpr., Anh. Mag. Nat. Hist., series 3, vo]. xv., p. 28 
(January, 1865). 
Of this species Swan obtained a single specimen at Neeah Bay. 
ASSIMINIA, Leach. 
284. ASSIMINIA SUBROTUNDATA, Carpenter. 
Rept. Brit. Assoc., 1863, p. 656 (August, 1864); and Ann. Mag. Nat. Hist., series 3, 
vol. xv., p. 28 (January, 1865). 
This species like the last is known only by the single specimen 
obtained by Swan at Neeah Bay. 
Two freshwater species will follow here,— 
285. FLuminicoLA NUTTALLIANA, Lea., sp. 
286. VALVATA VIRENS, Tryon. 
GALERUS, Humphrey. 
287. GALERUS FASTIGIATUS, Gould, sp. 
Calyptrea fastigiata, Gould, Proc. Bost. Soc. Nat. Hist., vol. ii., p. 161 (Aug., 1846) ; 
and U.S. Expl. Exped., Mollusca, p. 379, figs. 484-484b (1852). 
Very common ; attached to stones and dead shells in ten to twenty 
fathoms all round the coast to the Queen Charlotte Islands. It is 
probable that our shell is the same as the Galerus mammullaris, Broderip. 
Sec. IV. 1895. 6. 
