BRITISH MUSEUM (NATURAL HISTORY). 
FIRST REPORT 
ON 
ECONOMIC ZOOLOGY 
BY 
FEED. V. THEOBALD, M.A., 
FOREIGN MEMBER OF THE ASSOCIATION OF ECONOMIC ENTOMOLOGISTS, WASHINGTON, U.S.A. ; 
ZOOLOGIST TO THE SOUTH-EASTERN AGRICULTURAL COLLEGE ; ETC. 
Author of 11 A Monograph of the Culicidae (Mosquitoes) of the World (Brit. Mus.) ” ; 
“A Text-Book of Agricultural Zoology"; “ The Parasitic Diseases of Poultry" ; 
“ An Account of British Flies" etc. 
LONDON: 
PRINTED BY ORDER OF THE TRUSTEES. 
SOLD BY 
Longmans & Co., 39, Paternoster Row, E.C. ; B. Quaritch, 15, Piccadilly, W. ; 
Dulau & Co., 37, Soho Square, W. ; Kegan Paul, Trench, 
Trubner & Co., Charing Cross Road, W.C. ; 
AND AT THE 
British Museum (Natural History), Cromwell Road, S.W. 
1903. 
(All rights reserved.) 
c-< 
