5. Scutum with some large piinctations 

 scattered over entire surface; 

 length usually equalling or greater 

 than width*. Eyes flat 



Scutum with few large punctations 

 only on anterior half; wider than 

 long, mostly pale (reddish brown). 

 Eyes slightly convex. (Very large 



tick, chiefly from rhinoceros) A. RHINOCEROTIS 



Figures 86 and 87 



6. Scutum with extensive pale median 

 area that is broadly rounded poste- 

 riorly. (Large tick, chiefly from 



tortoise ) .A. MARMOREm 



Figures IL, and 75 



Scutum with less extensive pale median 

 area that narrows to a point poste- 

 riorly, (ifediim size tick, chiefly 



from tortoise and leguan lizards) A. NUTTALLI 



Figures 78 and 79 



7. Scutum dark centrally, small pale spot 

 on posterior border, lateral fields 

 with small pale spots or entirely 

 dark. Eyes flat. Very narrow pale 



rings on legs. (Chiefly from elephant) .A. TKOIXONI 



Figure's 90 and 91 



Scutum pale centrally, lateral fields 

 with only small pale spots. Eyes 

 slightly convex. Broad pale rings 



on legs. (Chiefly from buffalo) A. COHASRENS 



Figures 66 and 67 



*In the Sudan, exceptional specimens of A. marmoreim may hec7e a 

 scutal width of at least 1.3 greater than length (Figure 74-), 

 but in these, large punctations are scattered over the entire 

 scutal surface. 



_ 209 - 



