This early work by Alfred Russel Wallace was originally published in 1859 and we are now republishing it with a brand new introductory biography. 'On the Zoolog

"[An] extraordinary book. . . . Mr. Gould is an exceptional combination of scientist and science writer. . . . He is thus exceptionally well placed to tell thes

First Published in 1967. Routledge is an imprint of Taylor & Francis, an informa company.

Since 1981, hundreds of botanists around the globe have been studying names, specimens and illustrations in order to identify type specimens so that all Linnaeu