84 REPORT OF THE SECRETARY. 



No. 869. Justus von Liebig : an Autobiographical Sketch. Translated from the 

 German, by Prof. J.Campbell Browu. (From the Smithsonian Report for 1891.) 

 Octavo; 12 pages. 



No. 870. Divergent Evolution through Cumulative Segregation, by Rev. John 

 Thomas Gulick. (From the Smithsonian Report for 1891.) Octavo pamphlet of 67 

 pages. 



No. 871. The Struggle for Life in the Forest, by James Rodway. (From the 

 Smithsonian Report for 1891.) Octavo pamphlet of 12 pages. 



No. 872. Some Difficulties in the Life of Aquatic Insects, by Prof. L. C. Miall. 

 (From the Smithsouiau Report for 1891.) Octavo pamphlet of 16 pages. 



No. 873. The Geographic Distributfon of Life in North America, by C. Hart Mer 

 riam, M. D. (From the Smithsonian Report for 1891.) Octavo pamphlet of 51 

 pages. 



No. 874. The Corbin Game Park, by John R. Spears. (From the Smithsonian 

 Report for 1891.) Octavo; 7 pages; illustrated with 1 figure. 



No. 875. The Home of the Troglodytes, by E. T. Hamy. (From the Smithsonian 

 Report for 1891.) Octavo; 7 pages. 



No. 876. Summary of Progress in Anthropology, by Otis T. Mason. (From the 

 Smithsonian Report for 1891.) Octavo pamphlet of 70 pages. 



No. 877. The Mounds of the Mississippi Valley, by Lucien Carr. (From the Smith- 

 sonian Report for 1891.) Octavo pamphlet of 97 pages. 



No. 878. The use of Flint Blades to work Pine Wood, by G. V. Smith. (From the 

 Smithsonian Report for 1891.) Octavo; 5 pages. 



No. 879. Modes of Keeping Time Known Among the Chinese, by D. J. Magowan, 

 M. D. (From the Smithsonian Report for 1891). Octavo; 6 pages. 



No. 880. Navajo Dye-stufis, by Dr. Washington Matthews. (From the Smithsonian 

 Report for 1891.) Octavo; 3 pages. 



No. 881. Some Possibilities of Economic Botany, by George Lincoln Goodale. 

 (From the Smithsonian Report for 1891.) Octavo pamjthlet of 30 pages. 



No. 882. The Evolution of Commerce, by Gardiner G. Hubbard. (From the Smith- 

 sonian Report for 1891 ) Octavo pamphlet of 14 pages. 



No. 883. The Relation of Natural Science to Art, by Dr. E. du Bois-Reymond, 

 F. R. S. (From the Smithsonian Report for 1891.) Octavo pamphlet of 21 pages. 



No. 887. Proceedings of the Regents, and Report of Executive Committee for the 

 Year 1891-92; together with Acts of Congress. (From the Smithsonian Report for 

 1892.) Octavo pamphlet of 39 pages. 



No. 888. The Meteorological Work of the Smithsonian Institution. (From the 

 Smithsonian Report for 1892.) Octavo pamphlet of 6 pages. 



No. 889. The History of the Telescope, by Prof. C. S. Hastings. (From the Smith- 

 sonian Report for 1892.) Octavo pamphlet of 15 pages. 



No. 890. Geological Change and Time, by Sir Archibald Geikie. (From the Smith- 

 sonian Report for 1892.) Octavo pamphlet of 20 pages. 



No. 891. Geological History of the Yellowstone National Park and Soaping 

 Geysers, by Arnold Hague. (From the Smithsonian Report for 1892.) Octavo pam- 

 phlet of 9 pages ; illustrated with 1 figure. 



No. 892. Continental Problems of Geology, by G. K. Gilbert. (From the Smith- 

 sonian Report for 1892.) Octavo pamphlet of 11 pages; illustrated with 5 figures. 



No. 894. Hertz's Experiments in Electric Undulations. (From the Smithsonian 

 Report for 1892.) Octavo pamphlet of 25 pages. 



No. 895. The Discharge of Electricity through Exhausted Tubes, Without Elec- 

 trodes, by J. .1. Thomson, F. R. S. (From the Smithsonian Report for 1892.) Octavo 

 pamphlet of 26 pages; illustrated with 15 figures. 



No. 896. The Molecular Process in Magnetic Induction, by Prof. J. A. Ewing, 

 F. R. S. (From the Smithsonian Report for 1892.) Octavo pamplet of 13 pages; 

 illustrated with 15 figures. 



