MINING DÉBRIS. Memorial of miners and farmers at San Francisco praying such legislation as will protect navigable waters from mining débris. February 23, 1892. 6pp.

Sen. mis. doc. no. 79; 52d Cong., 1st sess.

MINOT, CHARLES-SEDGWICK. Morphology of the blood corpuscles. From the Smithsonian report for 1890. Washington, 1891. 6pp., 1 pl.

Smithsonian pub. no. 819.

MISSIMER, H. C. Facts versus theories. Shown by the records kept for twenty-two years by the principal of a high school, giving the subsequent occupations pursued by the graduates. 6pp.

Clarke, I. E., Art and industry, pt. 2, pp. 597-602.

MISSISSIPPI RIVER. Report from the committee on interstate and foreign commerce favoring bill to amend "An act for the construction of a railroad bridge across the Mississippi at South St. Paul, Minne." January 27, 1892. 1p.

H.R. rep. no. 8; 52d Cong., 1st sess.

MOBILE AND GIRARD RAILROAD CO. Letter from the Secretary of the Interior relative to lands claimed by the M. & G. R.R. Co. March 7, 1892. 5pp.

Sen. ex. doc no. 52; 52d Cong., 1st sess.