82 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1911. 
Sir William Huggins, by W. W. Campbell. 
The Solar Constant of Radiation, by C. G. Abbot. 
Astronomical Problems of the Southern Hemisphere, by Heber D. Curtis. 
The Progressive Disclosure of the Entire Atmosphere of the Sun, by Dr. H. 
Deslandres. 
Recent Progress in Astrophysics in the United States, by J. Bosler. 
The Future Habitability of the Earth, by Thomas Chrowder Chamberlin. 
What Is Terra Firma? A review of current research in isostasy, by Bailey 
Willis. ; 
Transpiration and the Ascent of Sap, by Henry H. Dixon. 
The Sacred Ear-Flower of the Aztecs, by William Hdwin Safford. 
Forest Preservation, by Henry S. Graves. 
Alexander Agassiz, 1835-1910, by Alfred Goldsborough Mayer. 
Recent Work on the Determination of Sex, by Leonard Doncaster. 
The Significance of the Pulse Rate in Vertebrate Animals, by Florence 
Buchanan. 
The Natural History of the Solitary Wasps of the Genus Synagris, by EH. 
Roubaud. 
A Contribution to the Ecology of the Adult Hoatzin, by C. William Beebe. 
Migration of the Pacific Plover to and from the Hawaiian Islands, by Henry 
W. Henshaw. 
The Plumages of the Ostrich, by Prof. J. HE. Duerden. 
Manifested Life of Tissues Outside of the Organism, by Alexis Carrel and 
Montrose T. Burrows. 
The Origin of Druidism, by Julius Pokorny. 
Geographical and Statistical View of the Contemporary Slay Peoples, by 
Lubor Niederle. 
The Cave Dwellings of the Old and New Worlds, by J. Walter Fewkes. 
The Origin of West African Crossbows, by Henry Balfour. 
Sanitation on Farms, by Allen W. Freeman. 
Hpidemiology of Tuberculosis, by Robert Koch. 
IV. SPECIAL PUBLICATIONS. 
The following special publications were issued during the year: 
1871. A Reprint of Smithsonian Mathematical Tables: Hyperbolic Kunctions. 
By George F. Becker and C. E. Van Orstrand. Published June, 1911. Octavo. 
Pages li, 321. - 
19382. Classified list of Publications available for distribution May, 1910. 
Octavo. Pages 37. July, 1910. 
1988. Opinions Rendered by the International Commission on Zoological No- 
menclature. Opinions 1 to 85. Octavo. Pages 62. July, 1910. 
1989. Opinions Rendered by the International Commission on Zoological 
Nomenclature. Opinions 26 to 29. Octavo. Pages 63-68. October, 1910. 
The following special publication was in type but had not been issued at the 
close of the year. 
2018. Opinions Rendered by the International Commission on Zoological 
Nomenclature. Opinions 30-387. 
HARRIMAN ALASKA SERIES. 
The Institution received from Mrs. Edward H. Harriman several thousand 
copies of volumes descriptive of the Harriman expedition to Alaska in 1899. 
Special Smithsonian title pages were added to the volumes before distribution 
by the Institution. The subjects were as follows: 
1990. Volume I: Narrative, Glaciers, Natives. By John Burroughs, John Muir, 
and George Bird Grinnell. Pages 184, with 60 plates and 4 maps. 
