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Transactions of the Watford natural History Society. 
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A FLORA OF HERTFORDSHIRE 
BY THE LATE 
ALFRED REGINALD PRYOR, B.A., F.L.S. 
Vice-Fres. Herts. Nat . Hist. Soc. 
EDITED BY 
BENJAMIN DAYDON JACKSON, Sec.L.S. 
Hon. Memb. Herts. Nat. Hist. Soc. 
WITH AN INTRODUCTION ON THE 
GEOLOGY, CLIMATE , BOTANICAL HISTORY, etc., of the COUNTY, 
BY 
JOHN HOPKINSON, F.L.S., F.G.S. 
Vice-Fres. Herts. Nat. Hist. Soc. 
AND THE EDITOR. 
Post 8vo., pp. Iviii and 588, with three Maps. Price 14s. 
Catalogue of the Library. 
60 pages (with Supplement). Price Is. 6d. Supplement (8 pp.) 3d. 
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