The origin of species through selection contrasted with their origin through the appearance of definite variations
By: by Professor T. H. Morgan, Columbia University
Publisher: [publisher not identified]
Published: 1905
Place of publication: [United States?]
Language: eng
Number of pages: 65
Subjects: Genetics; Natural selection; Evolution (Biology)
Notes: Caption title

Reprinted from the Popular Science Monthly, May, 1905