Vll 



34. The Life-History and Habits of the Yellow Dung-Fly 



{^Hcatoplutga stercoraria) : n, possible Blow-Fly Check. 

 By G. 8. CoTTERELi,. With a Preface by Prof. 

 Maxwell Lefroy, F.Z.S. (Text-figures 1-14.) 629 



35. Remarks on the Respiratory Movements of Xecttirus 



and Cryjitohranchus. By A. Willey, M.A., D.Sc, 

 F.R.S., F.Z.S 649 



Alphabetical List of Contributors viii 



Index of Illustrations xiii 



Index , XV 



