tTAYLOR] 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 

 l&rger than B . haliotiphila. 



HYDEOBIA, Ilartmann. 



282. Hydrobia Calipornica, Tryon. 



Amer. Journ. Conch., vol. i., p. 221, pi. 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.,. Ann. Mag. Nat. Hist., series 3, vol. 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 Nuttal liana, Lea., sp. 

 286. Valvata virens, Tryon, 



CALEEUS, Humphrey. 

 28*7. Galerus fastigiatus, Gould, sp. 



Calyptrcea fastigiata, Gould, Proc Bost. See 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 mammillaris, Broderip. 



Sec. IV. 1895. 6. 



