CONTENTS. 
Pago. 
Nature and scope of the work 7 
Habits of the family 7 
Tachinid flies and their hosts 9 
Parasites and their hosts 9 
Hosts and their parasites 22 
Classification 27 
Terms used in describing Tachinidae 29 
Table of genera 30 
Systematic arrangement of the genera 40 
Synopses of the species 42 
Index to genera and species t 149 
5 
