374 
ZOOLOGY. 
Family MELANIADiE- 
MELANIA PLICIFERA. 
Melania plicijera, Lea, on fresh water and land shells in Trans. Phil. Soc. of Phil., pi. xxiii, f. 90.— Carpenter’s 
Report, p. 325. 
Ilab. —Very common in rivers of Washington Territory.—J. G. C. 
MELANIA SILICULA. 
Melania silicula, Gould, Proceed. Bost. Soc. II, p. 224,1847; Exped, Shells, 46. Carp. Rep., p. 325.— Idem, Expl. 
Exped. Shells, p. 141, fig. 164. 
Ilab.— Rivers of Washington Territory, Dr. Cooper ; Nisqually and Oregon, Dr. Gould. 
MELANIA SHORTAENSIS. 
Melania Shortaensis, Lea, in literis. 
Ilab. —Willopah river, Dr. Cooper. 
AMNICOLA NUTTALLIANA. 
Paludina Nvttalliana, Lea, in Philos. Trans, pi. xxvi, f. 89. 
Ilab. —Columbia river, Dr. Cooper. 
AMNICOLA SEMINALIS. 
Paludina seminalis, Hinds, Zool. Sulph. p 59, pi. 16, f. 22. 
Bitliinia seminalis, Carp. Rep. p. 326. 
Ilab. —Upper California, Dr. Trask. 
Family TU R R1TELLID AS- 
TURRITELLA ESCHRICHTII. 
Turritella eschrichtii, Middend. Beitrage, II, p. 68, pi. xi. f. 1 ; Carp. Rep. 325. 
Ilab. —Puget Sound, Dr. Suckley, G. Gibbs, esq. ; Arctic Sea, Middendorff. 
A few specimens sent from Puget Sound agree in all respects with the figure and description 
given of this species by Middendorff, as cited above. 
Family LITTORINIDiE. 
LITTORINA RUDIS. 
Littorinarudis, Gould, Stimpson, Shells of New England. 
Littorina Barclayan ? Hinds. 
Hah. —Shoalwater bay to Straits of Fuca, Dr. Cooper, Dr. Suckley, G. Gibbs, esq. 
Very abundant on the northwest coast, where it presents the same varied appearances as our 
eastern shell. 
LITTORINA SCUTULATA. 
Littorina scutulata, Gould, Proceed. Bost. Soc. Ill, p. 83, March, 1849, Exped. Shells, p. 83. —Idem, U. S. Expl. 
Exped. Moll. & Shells, p. 200, fig. 241.— Carp. Rep. p. 326. 
Ilab. —Puget Sound, Dr. Cooper ; Puget Sound, Oregon, Dr. Pickering. 
On rocks from the head of Puget Sound to the Straits of Fuca, having habits similar to those 
of L. rudis. —J. Gr. C. 
LITTORINA PLANAXIS. 
Littorina planaxis.lXvTr. Sup. Piiilipp. Abbaldingen T. II, p. 201; Litt. Pt. IV, p. 16. Carp. Report, p. 326. 
Ilab. —San Luis Obispo, Dr. Antisell. 
