Roentgenologic studies of Egyptian and Peruvian mummies / by Roy L. Moodie -- ; Berthold Laufer --, editor.

v.3(1931)

Studies of the development and larval forms of echinoderms, by Dr. Th. Mortensen.

c. 3

Studies in general physiology, by Jacques Loeb.

pt. 1

Studies in general physiology, by Jacques Loeb.

pt. 2

Studies on the embryology of the Sipunculidae. I. The embryonal envelope and its homologue. ... By John H. Gerould.

no. 1

Studies of American plants, by Paul C. Standley.

v.4:no.8(1929)