Books reviewed in this article:

Advanced Plant Physiology. Ed. by Malcolm Wilksns.

The Neutral Theory of Molecular Evolution. By Motoo Kimura.

The Blue-Greens. Number 160 in The Studies in Biology Series. By P. Fay.

Algal Symbiosis. Ed. by Lynda J. Goff.

Life in Inland Waters. By W. D. Williams.

An Atlas of Past and Present Pollen Maps for Europe: 0–13000 years ago. By B. Huntley and H. J. B. Birks.

Mediterranean-Type Ecosystems. The Role of Nutrients. Ed. by F. J. Kruger, D. T. Mitchell and J. U. M. Jarvis.