Fig. 50—Cylichnostomum Alveatum, female, 
“cé 
natural size. 
51—Cylichnostomum Poculatum, cephalic 
extremity, female. 
52—Cylichnostomum Poculatum, male, nat- 
ural size. 
53—Cylichnostomum Poculatum, female, 
natural size. 
54—Cylichnostomum Catinatum, cephahs 
extremity, female. 
55—Cylichnostomum Catinatum, male, nat- 
ural size. 
56—Cylichnostomum Catinatum, female, 
natural size. 
57—Cylichnostomum Elongatum, cephalic 
extremity, female. 
58—Cylichnostomum Elongatum, male, nat- 
ural size. 
59—Cylichnostomum Elongatum, female, 
natural size. 
60—Cylichnostomum Calicatum, cephalic 
extremity, female. 
61—Cylichnostomum Calicatum, male, nat- 
ural size. 
62—Cylichnostomum Calicatum, female, 
natural size. 
PLATE 13. 
1—Heifer infested with flukes and lung 
worms. 
2—Oesophagostoma Columbianum, cephalic 
extremity. 
3—Oesophagostoma Columbianum, caudal 
extremity male. 
4—Oesophagostoma Columbianum, caudal 
extremity female. 
xv 
Inserteu 
between pages 
128 and 129 
Inserted 
between pages 
141 and 142 
