

Insect 

 Physiology 



SIR VINCENT B. WIGGLESWORTH 



C.B.E., M.D., F.R.S. 



Quick Professor of Biology in the 



University of Cambridge 



Director, Agricultural Research Council Unit 



of Insect Physiology 



LONDON: METHUEN & CO. LTD. 

 NEW YORK: JOHN WILEY & SONS, INC 



