CONTENTS OF THIS NUMBER. 



Kershaw, J. C, and Mum, F.— The Genitalia of the 



Auchenorhynchous Homoptera 20i 



EwiNG, H. B. — The Phylogeny of the Gall Mites and 

 a New Classification of the Suborder Prostigmata 

 of the Order Acarina 213 



Alexander, C. P. — Undescribed Species of Crane-flies 



from New Zealand 223 



CuRRAN, C. Howard — The Syrphid Genera Hammer- 



schmidtia and Brachyopa in Canada 239 



Branch, Hazel Elisabeth — A Contribution to the 



Knowledge of the Internal Anatomy of Trichoptera 256 



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