MAPS AND ILLUSTRATIONS 



PLATE FIGURES 



SUBJECT 



PAGE 



I 

 II 



III 

 IV 



A- 



1 Subdivisions of Ethiopian Faomal Region 22 



2 Political Divisions of Africa 2L, 



3 The Siidan. Principal Collecting Sites 25 



7 Ixodidae . Key Morphological Characters 38 



ARGAS I DAE 



V 

 VI 



a. 9 



10.12 



Key Morphological Characters (O. savignyi ).. . 50 

 Key Morphological Characters C5. savignyi )... 51 



ARGAS 



Key Morphological Characters 54 



PeriphergJ. and Lateral Differences 57 



A. (Argas ) persicus and A. (Argas ) reflexus.. 58 



li., (Ogademis ) brumpti 81 



\. (Chiropt'erargas J boueti 90 



J. (Chiropterargas ) confusus 97 



1. ( Carlos j vespertilionis . ♦ 103 



ORNITHODOROS MOUBATA 



Male and Female 119 



Distribution 120 



Spermatophore 135 



Egg and Larva 138 



Larval-Nymphal Molt 14-0 



9 Internal Organs 157 



Q Sagittal Views, Unengorged and Engorging. . .158 



Capitulura. Vertical Section 163 



Capitviluin. Dorsal and Ventral 164 



Spiracle 175 



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