4 



BOTANICAL PUBLICATIONS OF THE RAY SOCIETY. 



The Principles of Plant-Teratology. By W. C. Woesdell. 

 8vo. Vol. I, containing Non-Vascular Plants, and the Root, 

 Stem, and Leaves of Vascular Plants, xxiv + 270 + 50 pp., 

 25 plates. 1915. Vol. II, containing the Flower, and con- 

 cluding the work, xvi + 296 + 56. pp., 28 plates. J 916. 



In Course of Publication. 



A Monograph of the British Desmidiacese. After Vol. IV 

 by Prof. S. West. 



Preparing for Publication. 



The British Oharaceae. By James Geoves. For 1917. 

 The British Diatomacese. By G-eoege West. 



Prices, and a complete list of the Society's publications, will be for- 

 warded on application to the Secretary, John Hophinson, Weetwood, 

 Watford. 



November, 1916. 



