186 



SNAKES OF CEYLON. 



Parasites. — (a) Ectozoa : The dhaman is very frequently 

 infested with ticks, which fasten themselves between the costal 

 scales or the ventral shields. Some that I sent to Professor 

 Nuttall, he tells me, are Aponomma Iseve variety paradoxum. 



-h 



Fig. 38. — Aponomma lseve. Tick from Zaocys mucosus 

 (magnified about 18 diameters). — (A) Ventral aspect. 

 (B) Dorsal aspect. 



