H.R. ex. doc. no. 162; 52d Cong., 1st sess.
—— Letter from the Secretary of State calling attention to a certain error in the immigration act of March 3, 1891. 1p.
Sen. ex. doc. no. 50; 52d Cong., 1st sess.
COOK, A. J. Report of apicultural experiments in 1891. 10pp.
Agr'l Dep't, Div. of Entomology: Bulletin no. 26, pp. 83-92.
COOKE, W. W. Report on dairy products. 6pp.
Agr'l Dep't, Division of Chemistry: Bulletin no. 31, pp. 16-21.
—— Analysis of sour milk. 5pp.
Agr'l Dep't, Division of Chemistry: Bulletin no. 31, pp. 22-26.
COPE, E. D. A critical review of the characters and variations of the snakes of N. America. From Proceedings of the U.S. Nat. Mus., v. xiv. pp. 589-694. [No. 882.] Washington, 1892. 106pp.