Zoology

Abstract

Abstracts included:

Henry G. Nester: The centennial of the cell theory of Schleiden and Schwann, 1838-1938

J. J. Davis: Insects of Indiana for 1938

Murvel R. Garner: Further observations on conditions under which fresh-water medusa, Craspedacusta, occurs

S. A. Rifenburgh and Martha Walker: Radiation of Drosophila with low-intensity ultra-violet light for one complete generation. III. Effect on crossing-over in the second chromosome of the male

Henry G. Nester: The Golgi material in the parathyroid gland cells of vitamin D-deficient albino rats

Raymond M. Cable: A preliminary report on the life history of a species of Amphimerus (Trematoda: Opisthorchiidae) from the snapping turtle (Chelydra serpentina)

Edward B. Lewis, Jr.: Star-recessive and Trim, spontaneous mutations on the second chromosome of Drosophila melanogaster