Systematics and the origin of species, from the viewpoint of a zoologist.
Subtitle: With a new introd. by the author.
Publisher: Dover Publications
Published: 1964
Place of publication: New York
Language: eng
Number of pages: 334
Subjects: Animals -- Classification.; Evolution (Biology); Animals -- Variation.
Genres: Classification.
Notes: Bibliography: p. [299]-314.
"Corrected republication of the work first published ... in 1942, to which has been added a new preface by the author."