Published by Smithsonian Institution, Washington, 1891
Seller: Cosmo Books, Shropshire., United Kingdom
Booklet - Unbound Pages. Condition: Very Good. Gulik's extended argument that the gradual separation of varieties, reinforced over generations, leads to distinct evolutionary lines. The work draws on examples from island faunas and controlled breeding. 68 Pages. An authentic standalone article, extracted from a larger volume. Not a reprint or reproduction, but an original work in its own right. Preserved in a modern card cover, prepared for practicality - an unassuming but serviceable presentation that favours function over finery. Size: 16 x 24 cms. Category: Smithsonian Institution; Cosmo Books : 29 years on ABE, 47 years taking care of customers. A bookseller you can rely on.