CONTENTS. 



Page. 



Nature and scope of the work 7 



Habits of the family 7 



Tachiuid flies aud their hosts 9 



Parasites and tlieir hosts 9 



Hosts and their parasites 22 



Class! iicatiou 27 



Terms nsed in describing Tachinida? 29 



Table of genera 30 



Systematic arrangement of the genera 40 



Synopses of the species 42 



Index to genera and species 149 



5 



