West American shells
Subtitle: a description in familiar terms of the principal marine, fresh water and land mollusks of the United States found west of the Rocky Mountans, including those of British Columbia and Alaska ...
By: also a classified reference list of the species and varieties known to exist within the above limits, by Josiah Keep.
Publisher: The Whitaker & Ray company (incorporated)
Published: 1904
Place of publication: San Francisco
Language: eng
Number of pages: 360
Subjects: Mollusks -- West (U.S.)