2. Coxa I simple, with two wide, short 

 spurs from posterior margin. Scut\im 

 smooth, shiny with few, scattered, 

 large pionctations; festoons unftised; 

 lacking lateral grooves and caudal 

 depression. Adanal shields large, 

 much like those of H. hussaini ; sub- 

 anal shields minuteT (Tortoise para- 

 site; Mediterranean and Black Sea 

 areas, southern Russia to western 



Middle East) . (Subgenus Hyalommasta ) H. AEnYPTIUM 



Figures"l90 and 191 



Coxa I deeply divided into narrow 

 external branch and wider internal 

 branch. Festoons partly fused. With 

 short or long lateral grooves. Adanal 

 shields not so large and wide as above. 

 Subanal shields typically larger than 

 above (frequently though abnormally as 

 small as above). (Palearctic, Oriental, 

 and Ethiopian Fauna! Regions). (Sub- 

 genus Hyalomma ) 3 



3. Center of subanal shields characteris- 

 tically exterior of the axis of the 



adanal shields K 



Center of subanal shields characteris- 

 tically in line with the axis of the 

 adanal shields (frequently laterally 

 displaced when greatly engorged) 6 



4. Spiracular plates of female type, 

 with short, blunt "tail". (Camel 

 parasite, Iran to Egypt; large size, 



up to 8 mm. long) H. SCHULZEI 



Figures "202 and 2U3 



Spiracular plates of normal male 



type , with long "tail" 5 



- 505 - 



