Evolution's End

From Author Wars - https://authorwars.com/books/evolutions-end-1277684.html

Overview:

Title: Evolution's End
Author: Leo Morey
Year: 1941
Type: Interior Art

Editions/Publications:

Unknown. Thrilling Wonder Stories, April 1941 (Unknown, Leo Morey, Better Publications, Inc., $0.15, 132 pages, pulp, MAGAZINE)