CONTENTS. 
PAGE 
Introduction, . . . . . . . i 
JIematoda, ............ 2 
Ascaris, ........... 2 
Filaria, . . . . . . . . . .8 
Prothelmins, . . . . . . . . . . .11 
Cestoda, ............ 12 
Taenia, . . . . . . . . . .12 
Tetrabothrium , . . . . . . . . . . .14 
Survey of Helminths in Relation to their Hosts, . . . .15 
Appendix, . . . . .17 
