TABLE OF CONTENTS 



PAGE 



Introduction 5 



Anatomical Discussions of Species and Genera 



Andrya prhnordialis 5 



Andrya communis 8 



Andrya macrocephala io 



Andrya translucida 13 



The Genus Andrya 16 



Anoplocephala wimerosa 17 



Anoplocephala variabilis 20 



Anoplocephala infrequens 24 



The Genus Anoplocephala 26 



Schizotaenia americana 28 



Schizotaenia variabilis 33 



Schizotaenia anoplocephaloides 35 



The Genus Schizotaenia 4° 



The Genus Moniezia, and the uterus of Moniezia expansa 43 



The Cittotaeniae of North American Rabbits 46 



The Genus Cittotaenia 49 



Comparative Studies on the Anoplocephalidae 



Comparative Anatomy of the Anoplocephalinae 50 



Evolution of the Anoplocephalidae 54 



Observations on the Life Histories of Anoplocephaline Parasites of the Pocket 



Gopher 60 



Key to Known Species of the Anoplocephalidae 63 



Summary and Conclusions 79 



Bibliography ° J 



Explanation of Plates °5 



