PREFACE. 
Since Professor Bezzi monographed the Indian Museum’s collection 
of Trypetidae in 1913, ten years have elapsed. Since that time not 
only has the most important sub-family, (speaking economically), under- 
gone complete revision at the hands of Professor Bezzi, but that author, 
in dealing with the African species in a series of papers, has set forth 
a considerable amount of generic synonymy which affects the Oriental 
species. In addition, new species by several authors have appeared. 
The nett result is that although Professor Bezzi’s Memoir is still 
the foundation of our modern knowledge of the family, it needs supple- 
menting by a record of subsequent progress, which it is the intention 
of the present catalogue to supply. With its keys and nomenclature 
thus corrected the Memoir in question will subserve the Indian worker’s 
needs until the yet far distant date when a ‘ Fauna’ volume or volumes 
on the Muscoidea Acalyptrata becomes a possibility. 
The author wishes to record his sincere thanks to Dr. Guy A. K. 
Marshall for a list of the references to literature concerning Dacus oleae, 
which could not have been compiled in India, and to Professor Bezzt 
for light upon certain recently published species of Enderlein’s. 
RONALD SENIOR-WHITE. 
SUDUGANGA. 
Ceylon. 
