Hardcover. London, John Murray, 1st, 1908, Book: Good, Dust Jacket: None, Hardcover, 605 pages, b&w and color diagrams and illustrations. Embossed red cloth covers w/ gilt lettering on spine. A study on heredity and genetics. Sir John Arthur Thomson (1861-1933), Professor of Natural History at the University of Aberdeen, was a follower of August Weismann.Edge wear, light soiling to covers; spine faded. Previous owner's sticker on front fly leaf. Front hinge cracked. Else a nice, clean copy.