86 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1910. 



Tlie Smithsonian Report for 1909 was partly in type at the close of the fiscal 

 year. In the General Appendix are the following papers : 



The Future of Mathematics, by Henri Poincare. 



What Constitutes Superiority in an Airship, by Paul Renard. 



Researches in Radiotelegraphy, by J. A. Fleming. 



Recent Progress in Physics, by Sir J. J. Thomson. 



Production of Low Temperatures, and Refrigeration, by L. Marchis. 



The Nitrogen Question from the Military Standpoint, by Charles E. Munroe. 



Simon Newcomb, by Ormond Stone. 



Solar-radiation Researches by Jules Cesar Janssen, by H. de la Baume 



Pluvinel. 

 The Return of Halley's Comet, by W. W. Campbell. 

 The Upper Air, by E. Gold and W. A. Harwood. 

 The Formation, Growth, and Habit of Crystals, by Paul Gaubert. 

 The Distribution of Elements in Igneous Rocks, by Henry S. "Washington. 

 The Mechanism of Volcanic Action, by H. J. Johnston-Lavis. 

 Conservation of Natural Resources, by James Douglas. 

 The Antarctic Land of Victoria, by Maurice Zimmermann. 

 Some Results of the British Antarctic Expedition, 1907-9, by E. H. Shackleton. 

 The Oceanography of the Sea of Greenland, by D. Damas. 

 From the Niger, by Lake Chad, to the Nile, by Lieut. Boyd Alexander. 

 Mesopotamia : Past, Present, and Future, by Sir William Willcocks. 

 Albert Gaudry and the Evolution of the Animal Kingdom, by Ph. Glangeaud. 

 Charles Darwin, by August Weismann. 

 Present Problems in Plant Ecology : Problems of Local Distribution in Arid 



Regions, by Volney M. Spalding. 

 The Instinct of Self-concealment and the Choice of Colors in the Crustacea, 



by Romuald Minkiewicz. 

 The Origin and Development of Parasitical Habits in the Cuculidne, by C. L. 



Barrett. 

 Some Remarks on the Protective Resemblance of South African Birds, by 



Alwin Haagner. 

 An Inquiry into the History of the Current English Names of North American 



Land Birds, by Spencer Trotter. 

 Condition of Wild Life in Alaska, by Madison Grant. 

 Recent Discoveries Bearing on the Antiquity of Man in Europe, by George 



Grant MacCurdy. 

 European Population of the United States, by W. Z. Ripley. 

 The Republic of Panama and its Peoiole, by Eleanor Yorke Bell. 

 Ceramic Decoration : Its Evolution and Applications, by Louis Franchet. 

 Some Notes on Roman Architecture, by F. T. Baggallay. 

 The Relation of Science to Human Life, by Adam Sedgwick. 

 Intellectual Work among the Blind, by Pierre Villey. 

 The Relation of Mosquitoes, Flies, Ticks, Fleas, and other Arthropods to 



Pathology, by G. Marotel. 

 Natural Resistance to Infectious Disease and its Reinforcement, by Simon 



Flexner. 



IV. SPECIAL PUBLICATIONS. 



Only one special publication, in the form of a small pamphlet, was issued 

 during the year: 

 The Smithsonian Institution, at Washington, for the Increase and Diffusion of 



Knowledge among Men. 



