A COLOURED KEY TO THE WILDFOWL OF THE WORLD. By Peter Scott.

(1950) 1968 revised edn. 8vo paperback (140 x 216mm). Pp96. Colour plates and b/w illustrations by Peter Scott.

Brief notes on world distribution accompany the coloured plates, which illustrate all known wildfowl, including the different races". A Key to the Wildfowl of the World, containing black and white drawings only, was first published in the 2nd Annual Report of the Severn Wildfowl Trust, 1948-49. It was reprinted as a separate book in 1950, revised and reprinted again in 1951. This coloured version first published in 1957 amounts to an entirely new publication. Substantial additions have been made to the text and there has been further extensive revision in the light of the most recent taxonomic opinion. Revised and reprinted 1961. Further revision, 1966, 1968. Further revision, 1972. Reprinted 1977". This copy is the 1968 revised edition.