Vll 



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



(Scato2)ha(ja stercoraria) : n, possible Blow-Fly Check. 

 By G. S. CoTTi^RELL. With a Preface by Prof. 

 Maxwell Lefroy, F.Z.S. (Text-hgures 1-14.) 620 



35. Remarks on the Bespiratory Movements of Kecturus 



and Cryj^tohranchus. By A. Willey, M.A., D.Sc, 

 F.B.S., F.Z.S 649 



Alphabetical List of Contributors viii 



Index of Illustrations xiii 



Index 



XV 



