Astragalus and Oxytropis in Colorado. C.L. Porter. The Effect of DDT, Triton and Xylene Upon the Germination of Some Crop Plants. Dorothy E. Beetle. A Comparison and Critique of Dewey's and Perry's Theories of Value. Paul Crissman. Abstracts of Theses and Graduates Degrees Awarded, January 1949 - June 1951