rUBLICATIONS OF TKE SOCIETY. 



A FLORA OF HERTFORDSHIRE. 



By the late A. R. TRYOR, B.A., F.L.S. 



Edited by B. DAYDON JACKSON, See.L.S. 



With au Introduction on the 



GEOLOGY, CLIMATE, BOTANICAL HISTORY, etc., of the COUNTY, 



By JOHN HORKINSON, F.L.S., F.G.S., and the EDITOR. 



Post 8vo., pp. Iviii and 588, with three Maps. Price 14*. 



Transactions of the Watford Natural History Society 



Vol. I. 187.5-78. (328 pages). Price 10s. Qd. 



In Parts: — 1-6, and 8-10, Is. each; 7, Is. <c>d. 



YoL. II. 1878-80. (336 pages). Price 10s. Qd. 



In Parts: — 1, 2, 4, 5, and 6, Is. Q>d. each ; 3, 7, and 8, Is. each. 



Transactions of the Hertfordshire Natural History Society 



YoL. I. 1880-82. (352 pages). Price Us. 



In Parts : — 1, 2, 3, and 5, Is. Gd. each ; 4, 6, 7, 8, and 9, Is. each. 



YoL. II. 1882-84. (366 pages). Price lis. M. 



In Parts: — 1-4, and 6, Is. Gd. each ; o, 7, 8, and 9, is. each. 



YoL. III. 1884-86. (358 pages). Price Us. 6rf. 



In Parts : — 1, 2, 3, 5, and 6, Is. Gd. each; 4, 7, 8, and 9, Is. each. 



YoL. lY. 1886-88. (29G pages). Price 9s. In 9 Parts, Is. each. 



YoL. V. 1888-90. (288 pages). Price 9s. In 9 Parts, Is. each. 



YoL. YI. 1890-92. (290 pages.) Price 9s. In 9 Parts, Is. each. 



YoL. YII. Parts 1-7. Price Is. each. 



The Meteorite of the 20th of November, 1887. 



By H. GEORGE FORDHAM, F.G.S. 

 32 pages, Avith Coloured Map. Price Is. 



Water and Water-Supply. 



By JOHN nOPKINSON, F.L.8., F.G.S., etc. 

 36 pages, with Coloured Map. Price Is. 



Catalogue of the Library. 



60 pages (with Supplement). Price Is. Gd. Supplement (8 pp.) M. 



LONDON : 



GURNET & JACKSON, Svccessoks to YAN YOORST, Paternoster Row. 



HERTFORD : STEPHEN AUSTIN & SONS. 



