1951. First Edition. 278 pages. No dust jacket. Green cloth with gilt lettering. New naturalist series; no.9. Contains black and white photographic plates. Clean pages with mild tanning and foxing throughout. Tightly bound with faint thumb-marking throughout. Pencil inscription to front endpaper. Boards have light edge wear with minor corner bumping. Mild crushing to spine, with occasional markings overall. Book has forward lean.