1. Report upon the collections of terrestrial and fluviatile Mollusca made in portions of Colorado, Utah, New Mexico, and Arizona: during the years 1872, 1873, and 1874 Author(s): Yarrow, H. C. (Harry Crécy), 1840-1929, author Publication: [Washington, D.C.?] : [publisher not identified], [1875] Subject(s): MolluscaSouthwestern United States