Devolution

From Author Wars - https://authorwars.com/books/devolution-834292.html

Overview:

Title: Devolution
Author: Leo Morey
Year: 1936
Type: Interior Art

Variant Titles:

1936. Devolution

Editions/Publications:

Unknown. Amazing Stories, December 1936 (Unknown, Leo Morey, Teck Publications, Inc., $0.25, 148 pages, pulp, MAGAZINE)
Unknown. Science Fiction Classics Annual, [No. 1] (Unknown, Leo Morey, Ultimate Publishing Co., Inc., $0.60, 132 pages, digest, MAGAZINE)