B&W Illustrations; This book is in Very Good+ condition and has a Very Good- dust jacket. The book and its contents are in generally clean, bright condition. The spine ends and corners of the book covers have some light bumping and rubbing. The text pages are clean and bright. There is a previous owner's personal card pocket adhered to the front pastedown page. The dust jacket has some toning, especially to the spine and flap joints, along with several tears and spots of discoloration. "Sergey I. Ognev (1886-1951) , one of Russia's most famous biologists, was both a theoretical scientist and a... View More...