84 REPORT OP THE SECRETARY. 



SEPARATES FROM ANNUAL REPORT. 



No. 926. Proceedings of the Board of Regents and Report of the Executive Com- 

 mittee for the year ending Juue 30, 1893, together with Acts of Congress. (From the 

 Smithsonian Report for 1893.) Octavo pamphlet of 33 pages. 



No. 927. The Wanderings of the North Pole, by Sir Robert Ball, P. R. S, (Prom 

 the Smithsonian Report for 1893.) Octavo pamphlet of 13 pages. 



No. 928. The Great Lunar Crator Tycho, by A. C. Ranyard. (Prom the Smith- 

 sonian Report for 1893.) Octavo pamphlet of 6 pages. 



No. 929. The Early Temple and Pyramid Builders, by J. Norman Lockyer. (From 

 the Smithsonian Report for 1893.) Octavo pamphlet of 11 pages. 



No. 930. Variable Stars, by Prof. C. A. Young. (From the Smithsonian Report for 

 1893.) Octavo pamphlet of 5 pages. 



No. 931. The Lumiuiferous iEther, by Sir George G. Stokes. (From the Smith- 

 sonian Report for 1893.) Octavo pamphlet of 7 pages. 



No. 932. Atoms and Sunbeams, by Sir Robert Ball, F. R. S. (From the Smith- 

 sonian Report for 1893.) Octavo pamphlet of 13 pages. 



No. 933. Fundamental Units of Measure, by T. C. Mendenhall. (From the Smith- 

 sonian Report for 1893.) Octavo pamphlet of 15 pages. 



No. 934. Photography in the Colors of Nature, by P. E. Ives. (From the Smith- 

 sonian Report for 1893.) Octavo pamphlet of 12 pages. 



No. 935. Photographs in Natural Colors, by the Process of L. Lumbiree, by Leon 

 Warnerke. (.From the Smithsonian Report for 1893.) Octavo pamphlet of 2 pages. 



No. 936. Electric-Spark Photographs of Plying Bullets, by C. V. Boys, F. R. S. 

 (From the Smithsonian Report for 1893.) Octavo pamphlet of 18 pages; illustrated 

 with 11 plates. 



No. 937. Magnetic Properties of Liquid Oxygen, by Prof. James Dewar, F. R. S. 

 (From the Smithsonian Report for 1893.) Octavo pamphlet of 5 pages; illustrated 

 with 1 figure. 



No. 937. The Problem of Flying, by Otto Lilienthal. (From the Smithsonian 

 Report for 1893.) Octavo pamphlet of 6 pages; illustrated with 6 figures. 



No. 938. Practical Experiments in Soaring, by Otto Lilienthal. (From the Smith- 

 sonian Report for 1893.) Octavo pamphlet of 5 pages ; illustrated with 2 plates. 



No. 939. Phenomena Connected with Cloudy Condensation, by John Aitken, F. R. S 

 (From the Smithsonian Report for 1893.) Octavo pamphlet of 30 pages. 



No. 940. On Chemical Energy, by Dr. W. Ostwald. (From the Smithsonia 

 Report for 1893.) Octavo pamphlet of 8 pages. 



No. 941. The American Chemist, by Prof. G. C. Caldwe_. From the Smithsonia 

 Report for 1893.) Octavo painphlet of 14 pages. 



No. 942. The Highest Meteorological Station in the World, by A. Lawrence Rotch. 

 (From the Smithsonian Report for 1893.) Octavo pamphlet of 5 pages. 



No. 943. The Mont Blanc Observatory. (From the Smithsonian Report for 1893.) 

 Octavo pamphlet of 5 pages; illustrated with 1 figure. 



No. 944. Relations of Air and Water to Temperature and Life, by Gardiner G. Hub- 

 bard. (From the Smithsonian Report for 1893.) Octavo pamphlet of 11 pages. 



No. 945. The Ice Age and its Work, by A. R. Wallace, F. R. S. (From the Smith- 

 sonian Report for 1893.) Octavo pamphlet of 24 pages; illustrated with 1 plate. 



No. 946. Geologic Time, as indicated by the Sedimentary Rocks of North America, 

 by Charles D. Walcott. (From the Smithsonian Report for 1893. ) Octavo pamphlet 

 of 34 pages; illustrated with 1 map. 



No. 947. The Age of the Earth, by Clarence King. (From the Smithsonian Report 

 for 1893.) Octavo pamphlet of 18 pages; illustrated with 2 plates and 1 figure. 



No. 948. The Renewal of Antarctic Exploration, by John Murray, LL. D. (From 

 the Smithsonian Report for 1893.) Octavo pamphlet of 21 pages; illustrated with 

 1 inap. 



No. 949. The North Polar Basin, by Henry Seebohm, P. L. S., F. Z. S. (From the 

 Smithsonian Report for 1893. ) Octavo pamphlet of 20 pages ; illustrated with 1 map. 



