BRITISH MUSEUM (NATURAL HISTORY) J^^^- /. vh'uf^^ 



INSECTS OF SAMOA 



AND OTHER SAMOAN TERRESTRIAL 

 ARTHROPODA 



PART VI. DIPTERA 



FASC. 4. Pp. 177-213 

 EMPIDIDAE AND PIPUNCULIDAE 



By J. E. COLLIN 



SYRPHIDAE 



By FRANK M. HULL 



CLUSIIDAE (HETERONEURIDAE) AND 

 SAPROMYZIDAE 



By J. R. MALLOCH 

 WITH FIFTEEN TEXT-FIGURES 



LONDON : 



PRINTED BY ORDER OF THE TRUSTEES OF THE BRITISH MUSEUM 



SOLD AT 



The Beitish Museum (Natubal Histoky), Cbomwell Road, S.W.7 



AND BY 



B. QcTAEiTCH, Ltd.i; Dulau & Co., Ltd. ; and The Oxford University Phkss ; 

 ALSO by Ot-tvER & Boyd, Edinsurgit 



1929 



Issued 27th July, 1929.] [Price Two Shillings and Sixpence, 



