MAY] 
Price Is. 
[1891. 
TRANSACTIONS 
OF THE 
HERTFORDSHIRE 
NATURAL HISTORY SOCIETY 
AND 
FIELD CLUB. 
EDITED BY JOHN HOPKINSON , F.L.S., F.G.S. 
VOL. VI. PAKT 4. 
CONTENTS : 
13. Notes on Tineina and other Lepidoptera observed in the Neighbourhood of 
Sandridge, Herts. By A. F. Griffith, M.A. 97 
14. Anniversary Address.—The Horse. By the President, the Right Honourable 
the Earl of Clarendon... 103 
15. Report on Phenological Phenomena observed in Hertfordshire during the years 
1889 and 1890. By John Hopkinson, F.L.S., F.G.S., etc., President. 114 
16. A Simple Method of taking Phenological Observations. By Edward Mawley, 
F.R.Met.Soe,........... 117 
17. Notes on Birds observed in Hertfordshire during the year 1890 and the early 
part of 1891. By George Rooper, F.Z.S...... 123 
LONDON: 
GURNEY & JACKSON, Successors to YAN YOORST, PATERNOSTER ROW. 
HERTFORD: 
STEPHEN AUSTIN AND SONS, PRINTERS, FORE STREET. 
