Birds of the World: a check list, by James F. Clements. Two Continents Publishing Group, New York, $15. - A Checklist of the Birds of the World, by Edward S. Gruson. Collins, £3.95. - Birds: an illustrated survey of the bird families of the world, by John Gooders. Hamlyn, £6.95.

Abstract

Birds of the World: a check list, by James F. Clements. Two Continents Publishing Group, New York, $15. - A Checklist of the Birds of the World, by Edward S. Gruson. Collins, £3.95. - Birds: an illustrated survey of the bird families of the world, by John Gooders. Hamlyn, £6.95. - Volume 13 Issue 4