Ixodoidea. Ticks. 125 



Scutum yellow with brown spots : coxal spines conical (male) ; 

 coarse punctations about 30, (female). CI. and S. America. 



A. Dissimile. 



Postero-marginal festoons absent (male); two red symmetrical, 



dorsal, abdominal spots (female). Africa. A. Hippopotaniense . 



Eyes hemispherical, in sockets, (male); scutum triangular, 



deep brown, (female). Africa, Guadaloupe, Guatemala. 



A. Variegatum. 

 Scutum black in anterior third (male). Natal. A. AnnuKpes. 

 Coxae I, bilobed (male). Africa. A. Rugosum. 



Coxae I with one long spine (male and female). 



A. Maculatum. 



Coxae I divide nearly to anterior margin (male). Mexico, 



Paraguay. A. Ovale. 



Marginal swellings striated longitudinally (male). Australia. 



A. Triguttatum. 

 Anterior spot on scutum, and postero median one separated by 

 transverse band (male); eyes in scutum (female). Africa. 



A. Hassalli. 

 Anterior median spot and posterior median one connected 

 (male): scutum without lateral spots (female). Africa. 



A. Splendidum. 

 Punctations very fine or obselete (male and female) scutum 

 pentagonal (female). Brazil. A. Concolor. 



Punctations large, unequal (male). S. America. A. Geayi. 

 Punctations of scapular angle very fine (20 male). French 

 Guiana. A. Paulopundatum. 



Design on Scutum like H and Y consecutively (male). Scutum 



spots lateral of cervical grooves (female). Africa. 



A. Eburneuin. 



Transverse band on middle of scutum (male). Africa. 



A. Subluteum. 



Linear postero-median spot separate from anterior ones (male). 

 Africa. A. Hebraeum. 



Linear postero-median spot continuous with anterior ones. 

 Africa. ' A. Marmoreum. 



Marginal groove continuous (male). Australia. A. Morelice. 



No (?) autero-lateral light spots (male) • coarse punctations 

 scarce (female). Australia. A. Limbatum. 



