Book reviewed in this article: Cacao. By Dr C. J. J. VAN HALL. 2nd edition. Chromosomes and Plant‐breeding. By C. D. DARLINGTON. Recent Advances in Agricultural Plant Breeding. By H. HUNTER and H. MARTIN LEAKE, with, a Foreword by Sir ROWLAND H. BIFFEN. Recent Advances in Botany. By E. C. BARTON‐WRIGHT. Atlas der Krankheiten der landmrtschaftlichen Kulturpflanzen. Mit aus‐fuhrlichen Textheften. The Farm and the Nation. By Sir JOHN RUSSELL. The Medicinal and Poisonous Plants of Southern Africa. By J. M. WATT and M. G. BREYER‐BRANDWIJK.
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