Vni A LIST OF THE ILLUSTRATIONS. 



35 — Ascaris Ovis 99 



36— Ascaris Suis 101 



37 — Ascaris Marginata 102 



38 — Ascaris Inflexa 104 



39 — Heterakis Papillosa, Cephalic Extremity 104 



39a — Heterakis Papillosa, Male and Female 104 



40 — Oxyuris Curvula, Female 106 



41 — Strongylus Arnfieldi, Caudal Extremity of the Fe- 

 male Ill 



42 — Strongylus Arnfieldi, Caudal Extremity of Male... 122 

 43 — Strongylus Arnfieldi, Ova in Process of Segmenta- 

 tion 113 



44 — Strongylus Arnfieldi, Male and Female 113 



45 — Strongylus Arnfieldi, Head Part 113 



46 — Strongylus Contortus (Haemonchus Contortus) Male 



and Female 117 



47 — Stephanurus Dentatus, Male and Female 136 



48 — Oesophagastoma Inflatum, Male and Female 139 



49 — Oesophagostoma Inflatum, Cephalic Extremity . . . 140 

 50 — Oesophagostoma Inflatum, Caudal Extremity of Male 140 

 51 — Oesophagostoma Inflatum, Caudal Extremity of Fe- 

 male 141 



52 — Oesophagostoma Columbianum, Male and Female. . 142 



53 — Nodular Disease 143 



54 — Oesophagostoma Dentatum, Male and Female .... 145 



55 — Uncinaria Radiata, Male and Female 145 



56 — Uncinaria Canina, Male and Female 148 



57 — Uncinaria Canina, Caudal Extremity of Male 148 



58 — Uncinaria Canina, Cephalic Extremity 149 



58a — Uncinaria Canina, Section of Body of Female... 149 

 58b — Uncinaria Canina, Caudal Extremity of Female.. 149 

 59 — Trichocephalus Depressiusculus, Male and Female.. 151 



60 — Trichocephalus Affinis, Male and Female 153 



61 — Echinorhynchus Gigas, Female 157 



62 — Echinorhynchus Gigas, Cephalic Extremity 158 



63 — Distoma Hepaticum 162 



64 — Distoma Americanus -. 166 



65 — Cysticercus Cellulosae 174 



66— Taenia Expansa of Ox 179 



67 — Taenia Ex}>ansa of Sheep 179 



