Systematics and the Origin of Species From the Viewpoint of a Zoologist by Ernst Mayr. Columbia University Press. 1942. First printing (not stated), with no later printings listed. 6 1/4" x 9" xiv, 334 page Hardcover with no dust jacket. Bright gilt lettering and decoration on the spine. Moderate cover edge wear. Rubbing near the base of the spine. Some other surface rubs and scrapes. Bumping to the lower cover corner tips. Shelf soiling on the bottom of the page block. Previous owner book plate inside front cover with some light staining there. No other previous owner markings. There are light corner creases on the pages throughout most of the book, parallel with the corner bump on the bottom of the front cover. No tears to pages. Binding is tight with no looseness to pages. Not ex-library, not remaindered and not a facsimile reprint. For sale by Jon Wobber, bookseller since 1978. IF26b

"Systematics and the Origin of Species from the Viewpoint of a Zoologist is a book written by zoologist and evolutionary biologist Ernst Mayr, first published in 1942 by Columbia University Press.[1] The book became one of the canonical publications on the modern synthesis and is considered to be exemplary of the original expansion of evolutionary theory.[2] The book is considered one of his greatest and most influential.[3]

Systematics and the Origin of Species from the Viewpoint of a Zoologist contains a reassessment of previous evidence regarding the mechanisms of biological evolution.[4] The points of view of modern systematics are compared with views from other life science fields, attempting to bridge the gap between different biological disciplines.[4] In his book, Mayr attempts to summarize the knowledge within his field of systemics, investigates the main factors involved in taxonomic work, and presents some evidence regarding the origin of species" - Wikipedia