Appendices, p. 17.
Canada's Indian problems, by Diamond Jenness, p. 367.
Chemical properties of viruses, by W.M. Stanley, p. 261.
Dakar and the other Cape Verde settlements, by Derwent Whittlesey, p. 381.
Galaxies, by Harlow Shapley, p. 133.
Index, p. 409.
Industrial development of synthetic vitamins, by Randolph T. Major, p. 273.
Insect enemies of our cereal crops, by C.M. Packard, p. 323.
Is there life on the other worlds? by Sir James Jeans, p. 145.
List of plates, p. VII.
Meteorites and their metallic constituents, by E.P. Henderson and Stuart H. Perry, p. 235.
Past and present status of the marine mammals of South America and the West Indies, by Remington Kellogg, p. 299.
Philippine tektites and the tektite problem in general, by H. Otley Beyer, p. 253.
Solar radiation and the state of the atmosphere, by Harlan True Stetson, p. 151.
Table of contents, p. V.
The 1914 tests of the Langley "aerodrome," by C.G. Abbot, p. 111.
The bromeliads of Brazil, by Mulford B. Foster, p. 351.
The geographical aspects of malaria, by Sir Malcolm Watson, p. 339.
The nutritional requirements of man, by C.A. Elvehjem, p. 289.
The problem of the expanding universe, by Edwin Hubble, p. 119.
The return of the musk ox, by Stanley P. Young, p. 317.
The sun and the Earth's magnetic field, by J.A. Fleming, p. 173.
Trends in petroleum geology, by A.I. Levorsen, p. 227.
Ultraviolet light as a sanitary aid, by Louis Gershenfeld, p. 209.
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