Proceedings of the American Association for the Advancement of Science/v039

Sections

 * Section A. &ensp; Mathematics and Astronomy.
 * Section B. &ensp; Physics.
 * Section C. &ensp; Chemistry.
 * Section D. &ensp; Mechanical Science and Engineering.
 * Section E. &ensp; Geology and Geography.
 * Section F. &ensp; Biology.
 * Section H. &ensp; Anthropology.
 * Section I. &ensp; Economic Science and Statistics.