ZOOLOGY. 
373 
MONOCEROS LAPILLOIDES. 
Purpura ( Monoceros ) lapilloides, Cone. Journal Acad. Phil. VII, p. 264, pi. 20, fig 18, 1837. 
Monocerospunctatum, Gkay, in Zooi. Voyage of Blossom, 1839. — Reeve C. I. pi. 1, f. 1, species 2, Jay Cat. No. 9065. 
Hub. —Bay of San Pedro, Dr. Trask ; Santa Barbara, Nuttall. 
Yery different from the preceding species, as shown in our specimens, although Mr. Car¬ 
penter is inclined tp consider them, with M. brevidens, Conr., as three varieties of the same. 
The published figures represent, it is true, what might be regarded as intermediate states of 
one species. 
COLUMBELLA GAUSAPATA. 
Columbella gausapala, Gould, Proceed. Bost. Soc. Nat. Hist., Ill, p. 170, June, 1850.— Idem, U. S. Expl. Exped. 
Mol. & Shells, p. 369.—Atlas, fig. 337, Carp. Rep. p. 341. 
Hub. —Oregon, Gould; Straits of de Fuca, Dr. Suckley. 
COLUMBELLA YALGA. 
Columbella valga, Gould, Proceed. Bost. Soc. Ill, p. 169.— Idem, Exped. Shells, p. 269.—Atlas, pi. 6, 338. 
Hab. —Straits of de Fuca, Dr. Suckley. 
The specimens sent of these two species were few and imperfect. 
Family NATICIDiE. 
NATICA LEWISII. 
Natka lewisii, Gould, in Proceedings Bost. Soc. II, p. 239, 1847.— Id. in U. S. Expl. Exped. Mollusca & Shells. 
Natica herculea, Middendobff, Beitrage Mai. Ross, II, p. 97, pi. vii, f. 5-7, 1849. 
Natka herculea , Cakpentee, Rep. to Brit. Assoc. 1856, p. 336. 
Natka lewisii, Caepentee, Rep. to Brit. Assoc. 1856, p. 336. 
Hab. —Puget Sound, Washington Territory, Dr. J. G. Cooper, Dr. G. Suckley; Bodega bay, Cal., Middendorff. 
This fine large species, the western analogue of our N. Jieros, varies considerably in form, 
being sometimes remarkably globose, and at others with the spire much produced. Mr. Car¬ 
penter has erred in assigning the priority to Middendorff’s name, his second volume, which 
contains the shells, being dated two years after Dr. Gould’s publication. The name .of the first 
explorer and collector in Oregon merited such a perpetuation. 
“This large shell is abundant throughout the northwest sounds, and is collected in great 
numbers by the Indians for food. From May to August it may be found crawling out above 
high-water mark to deposit its eggs, which are enclosed in a curious structure of sand, shaped 
like a shallow bowl without a bottom, or still more like some glass lamp shades, and beautifully 
symmetrical, smooth, and perfect on both sides .”—J. G. C. 
Family CERITHIADjE. 
POTAMIS PULLATUS. 
Potamis pullatus, Gould, in App. to Report of Explorations in California, vol. V, p. 333, pi. xi, f. 23, 24. 
Cerithidcepullata, Cabp. Rep. to Brit. Assoc. 1856, p. 325. 
Hab. —Upper California, Dr. Trask. 
This species, which occurs in several localities on the coast of California, appears to vary in 
the number of varices, relative length, and other minor particulars. 
