---- _Same._ No. 820. Weismann's theory of heredity. By George J. Romanes. From the Smithsonian report for 1890. Washington, 1891. 16pp. .10 ---- _Same._ No. 821. The ascent of man. By Frank Baker. From the Smithsonian report for 1890. Washington, 1891. 22pp. .10 ---- _Same._ No. 822. The antiquity of man. By John Evans, F.R.S. From the Smithsonian report for 1890. Washington, 1891, 10pp. .05 ---- _Same._ No. 823. The primitive home of the Aryans. By A. H. Sayce. From the Smithsonian report for 1890. Washington, 1891. 15pp. .10 ---- _Same._ No. 824. The pre-historic races of Italy. By Isaac Taylor. From the Smithsonian report for 1890. Washington, 1891. 12pp. .10 ---- _Same._ No. 825. The age of bronze in Egypt. By Oscar Montélius. From the Smithsonian report for 1890. Washington, 1891. 19pp., 6 pls., 6 l. .10 ---- _Same._ No. 826. Progress of anthropology in 1890. By O. T. Mason. From the Smithsonian report for 1890. Washington, 1891. 82pp., 4 pls. .25 ---- _Same._ No. 827. A primitive urn buried. By Dr. J. F. Snyder. From the Smithsonian report for 1890. Washington, 1891. 7pp., 2 pls. .05 ---- _Same._ No. 828. Manners and customs of the Mohaves. By George A. Allen. From the Smithsonian report for 1890. Washington, 1891. 2pp. .02 ---- _Same._ No. 829. Criminal anthropology. By Thomas Wilson. From the Smithsonian report for 1890. Washington, 1891. 72pp. .20 ---- _Same._ No. 830. Color-vision and color-blindness. By R. Brudenell Carter. From the Smithsonian report for 1890. Washington, 1891. 20pp. .10 ---- _Same._ No. 831. Technology and civilization. By F. Reuleaux. From the Smithsonian report for 1890. Washington, 1891. 18pp. .10 ---- _Same._ No. 832. The Ramsden dividing engine. By J. E. Watkins. From the Smithsonian report for 1890. Washington, 1891. 21pp., 3 pls. .10 ---- _Same._ No. 833. A memoir of Elias Loomis. By H. A. Newton. From the Smithsonian report for 1890. Washington, 1891. 32pp. .10 _Note:_ With a list of Prof. Loomis' writings. ---- _Same._ No. 834. A memoir of William Kitchin Parker, F.R.S. (From _Nature_.) From the Smithsonian report for 1890. Washington, 1891. 6pp. .05 ---- _Same._ No. 835. Sale list of publications of the Smithsonian Institution, January, 1892. Washington, 1892. 27pp.