DULAU & COMPANY, LTD. 



THE 



FOOD OF SOME BRITISH WILD BIRDS 



A STUDY IN ECONOMIC ORNITHOLOGY 



By WALTER E. COLLINGE, M.Sc, F.L.S. 



8vo. Cloth gilt. Pp.vii. + 109. Price 4t.net. 



The Atik. — "All in all this is the best handbook of the food of British Birds in existence and 

 should be in the hands of everyone who desires reliable information on economic 

 ornithology in this particular field." 



The Times. — " Mr. Collinge has done some useful work in helping to rescue from the region of 

 guesswork the question of the food of birds whose presence has special interest for 

 the farmer." 



Nature. — "Mr. Collinge has done a very useful piece of work and has done his work carefully. 

 We hope this book will pass through many editions, and gain in strength as it grows — 

 incorporating new data and extending its scope." 



The Zoologist. — " We feel that a considerable addition to our knowledge on the subject must have 

 been made, nor are we disappointed on perusal." 



Knowledge. — •' A really valuable contribution to econmic ornithology, which is the outcome of 

 much keen observation." 



Tlic Gardeners' Chronicle. — " Mr. Collinge has done good service to horticulturists in bringing 

 together in this volume the results of his laborious investigations." 



Birmingham Daily Post. — "A study in economic ornithology of great practical value." 



A MANUAL OF INJURIOUS INSECTS 



By WALTER E. COLLINGE, M.Sc, F.L.S. 



Svo. Pp. XX. + 26S. Illustrated with upwards of 100 Figures in the Text. 



Cloth. 12s. 6d. net. 



The work contains accounts of upwards of 150 insects injurious to 

 the farm, orchard, forest and garden, with preventive and remedial 

 measures. An Introduction, and chapters on the Classification, and 

 the Control of Injurious Insects have been added, and Appendices 

 on Fumigation and the Blacii Currant Gall xMite. 



The Daily News. — "A notable contribution to the literature of Entomology." 



DULAU & COMPANY, Ltd., 34-36, Margaret Street, London, W.I. 



