DECEMBER] Price Is. 6d. [1878 



TRANSACTIONS 



OF THE 



WATFORD 



NATURAL HISTORY SOCIETY 



AND 



HERTFORDSHIRE FIELD CLUB. 



EDITED BY THE HONORARY SECRETARY. 



VOL. II. PART 2. 



CONTENTS : PAGR 



7. Anniversary Address. By the President, Alfred T. Brett, M.D 49 



8. On British Butterflies. By the Rev. C. M. Perkins, M.A 63 



9. Notes for Observations of Injurious Insects. By Eleanor A. Ormerod, 



F.M.S. (Illustrated.) 77 



10. Notes on Economic Entomology. By Eleanor A. Ormerod, F.M.S. 



(Illustrated.) 84 



Proceedings, pages ix-xvi. 



LONDON : 

 HARDWICKE AND BOGUE, 192, PICCADILLY, "W. 



WATFORD : I HERTFORD : 



PUBLIC LIBRARY, QUEEN'S ROAD. I STEPHEN AUSTIN AND SONS. 



1878. 



