A rare parasitic food plant of the Southwest, by Frank A. Thackery and M. French Gilman, p. 409.
Ancient seating furniture in the collections of the United States National Museum, by Walter Hough, p. 511.
Appendix, p. 25.
Aspects of aboriginal decorative art in America based on specimens in the United States National Museum, by Herbert W. Krieger, p. 519.
Beyond the red in the spectrum, by H.D. Babcock, p. 165.
Elements of the culture of the circumpolar zone, by W.G. Bogoras, p. 465.
Extra chromosomes, a source of variations in the Jimson weed, by Albert F. Blakeslee, p. 431.
George Perkins Merrill, by Charles Schuchert, p. 617.
Growth in our knowledge of the sun, by Charles E. St. John, p. 177.
Index, p. 635.
Jesse Walter Fewkes, by John R. Swanton and F.H.H. Roberts, Jr., p. 609.
List of plates, p. VII.
Man and insects, by L.O. Howard, p. 395.
Modern concepts in physics and their relation to chemistry, by Irving Langmuir, p. 219.
New researches on the effect of light waves on the growth of plants, by F.S. Brackett and Earl S. Johnston, p. 255.
Recent progress in the field of Old World prehistory, by George Grant MacCurdy, p. 495.
Table of contents, p. V.
Ten years' gliding and soaring in Germany, by Prof. Dr. Walter Georgii, p. 273.
The acclimatization of the white race in the tropics, by Robert De C. Ward, p. 557.
The age of the human race in the light of geology, by Stephen Richarz, p. 451.
The autogiro: Its characteristics and accomplishments, by Harold F. Pitcairn, p. 265.
The eighth wonder: The Holland vehicular tunnel, by Carl C. Gray and H.F. Hagen, p. 577.
The first rains and their geological significance, by Assar Hadding, p. 285.
The mechanism of organic evolution, by Charles B. Davenport, p. 417.
The modern sun cult, by J.W. Sturmer, p. 191.
The moon and radioactivity, by V.S. Forbes, p. 207.
The nesting habits of Wagler's Oropendola on Barro Colorado Island, by Frank M. Chapman, p. 347.
The rise of applied entomology in the United States, by L.O. Howard, p. 387.
The Tell en-Nasbeh excavations of 1929 -- a preliminary report, by William Frederic Bade, p. 483.
The use of fish poisons in South America, by Ellsworth P. Killip and Albert C. Smith, p. 401.
Waves and corpuscles in modern physics, by Louis de Broglie, p. 243.
Weather and glaciation, by Chester A. Reeds, p. 295.
Wild life protection: An urgent problem, by Ernest P. Walker, p. 327.
Electronic reproduction. Chester, Vt.: NewsBank, inc., 2007. Available via the World Wide Web. Access restricted to Readex U.S. Congressional Serial Set subscribers.