Evolution /
Shull, Aaron Franklin, 1881-
Evolution / by A. Franklin Shull. - New York ; London : McGraw-Hill Book Company, inc., 1936. - X, 312 p. : ill. ; 24 cm. - McGraw-Hill publications in the zoological sciences .
Evolution / by A. Franklin Shull. - New York ; London : McGraw-Hill Book Company, inc., 1936. - X, 312 p. : ill. ; 24 cm. - McGraw-Hill publications in the zoological sciences .