London, Collins, 1951. 8vo. Original green cloth, gilt spine lettering. Dust jacket; minor chipping to bottom and top of spine, else very good, not price clipped. XVII,(1),366 pp. 61 photographic plates in colour, 39 black and white, 19 text figures, and 43 distribution maps. Clean throughout.
First edition, first printing.
Order-nr.: 31330