Key to the Species. 
Head lined 
A. lineata 
Head uniform 
A. nana 
Head scaled 
No buff on rump 
Lighter 
A. iredalei 
Darker 
A. inornata 
Hump buff 
Pronounced chestnut rump 
Scaling on chest not pronounced 
A. uropygialis 
Buff on rump not pronounced 
Scaling on chest very pronounced 
A. pusilla 
408 
