LIST OF ILLUSTRATIONS 



XXXI 



PLATE FACING PAGE 



Fig. 7. Capitulum of Margaropus annulatus, 



female, ventral view. 

 Fig. 8. Dorsal view of same. 

 Fig. 9. Capitulum of Rhipicephalus haemaphy- 



saloides, female, ventral view. 

 Fig. 10. Capitulum of Amblyomma americanum, 



female, dorsal view. 

 Fig. 11. Capitulum of Haemaphysalis bispinosa, 



female, ventral view. 



Fig. 12. Capitulum of Haemaphy salts leachi, fe- 

 male, ventral view. 

 Fig. 13. Capitulum of Amblyomma americanum, 



male, ventral view. 

 Fig. 14. Capitulum of Amblyomma testudinarum, 



female, dorsal view. 

 Fig. 15. Ventral view of same ... ... 572 



LXXIV. Fig. 1. A rgas persicus, female, dorsal view. 



Fig. 2. Ventral view of same. 



Fig. 3. Argas reflexus, female, ventral view. 



Fig. 4. Ornithodorus turicata, male, ventral view. 



Fig. 5. Argas vespertilionis, male, ventral view. 



Fig. 6. Ornithodorus moubata, female, ventral 



view ... ... ... 581 



LXXV. Fig. 1. Larva of Argas persicus. 



Fig. 2. First nymph of Ornithodorus savignyi. 

 Fig. 3. Larva of same. 



Fig. 4. Stigmal plate of Dermacentor venustus. 

 Fig. 5. Stigmal plate of Dermacentor reticu- 



latus ... ... ... 587 



LXXVI. Fig. 1. Ixodes ricinus, male, ventral view. 



Fig. 2. Dorsal view of female of same. 



Fig. 3. Ixodes angustus, male, dorsal view. 



Fig. 4. Dorsal view of female of same. 



Fig. 5. Eschatocephalus vespertilionis, male, ven- 

 tral view. 



Fig. 6. Ceratixodes putus, male, ventral view ... 594 



LXXVI I. Fig. 1. Rhipicephalus sanguineus, male, ventral 

 view. 



Fig. 2. Dorsal view of same. 



Fig. 3. Rhipicephalus simus, male, ventral view. 



Fig. 4. Dorsal view of same. 



Fig. 5. Rhipicephalus appendiculatus, male, ven- 

 tral view. 



Fig. 6. Rhipicephalus haemaphysaloides, male, 



ventral view ... ... ... 602 



LXXVI 1 1. Fig. 1. Margaropus lounsburyi, male, ventral 



view. 

 Fig. 2. Dorsal view of female of same. 



