168 



Fig. 52. Upper and side views of head of Eremias guttulata, to explain the 

 nomenclature of the shields. 



Genus TACHYDROMUS, 

 Daudin, Kept, iii, p. 251, 1802. 

 Head-shields normal*. Nostril pierced between two nasals and 



* /. e. a f rontonasal, a pair of praefrontals, a frontal, a pair of f rontoparietals, 

 a pair of parietals, an interparietal, and an occipital. 



