AUGUST.] 
Price Is, 
^ i f 
V * 
[1887, 
TRANSACTIONS 
OF THE 
HERTFORDSHIRE 
NATURAL HISTORY SOCIETY 
AND 
FIELD CLUB. 
EDITED BY JOHN HOPKINSON, F.L.S., F.G.S: 
VOL. IV. PART 6. 
CONTENTS : 
17. Notes on Birds observed in Hertfordshire during the year 1886. By John E. 
Littleboy. 
18. Meteorological Observations taken at Wansford House, Watford, during the 
year 1886. By John Hopkinson, F.L.S., F.G.S., F.R.Met.Soc. 
19. Report on Phenological Phenomena observed in Hertfordshire during the year 
1886. By John Hopkinson. 
20. The Hessian Fly. By F. Maule Campbell, F.L.S., F.Z.S., F.R.M.S., F.E.S., 
President..... 
PAGE 
161 
169 
176 
180 
LONDON: 
GURNEY & JACKSON, Successors to Mr.YAN VOORST, PATERNOSTER ROW. 
HERTFORD: 
STEPHEN AUSTIN AND SONS, PRINTERS, FORE STREET. 
w | 
1887. 
