THE COMMON INDIAN SNAKES. 



Explanation of Diagram 1. 



\— DEN DRELA Pins TRISTIS, jaws. 

 B.—nENDROP/JTS PICTUS, juws. 



(a) maxilla. 



(6) dentary part ot" mandible. 



(c) nasal bones. 



(^) ridges on parietal for muscular attachments. 



{e) articular notch. 



(/) articular process ot* dentarv. 



(a) articular part of mandible. 



0. D. E.— Hkad Shields. 



•A. S. Anterior subliuiJ^jalg. 



F. Frontal. 



In. Internasal;^. 



Lor. Loreal. 



M. Mental. 



Na. Nasals. 



Pa. Parietals. 



Po. Postoculars. 



Pra. Prseoculars. 



Prf. Proefrontals. 



P. S. Posterior Sublinguals. 



R. Rostral. 



S. Supraocular.*. 



T. Temporals. 



1, 2, 3, ei3. Supralabials. 



I, II, HI, etc. Infralabi:tls 



V. — Belly Shields. 



Yen. Ventrals with ridses. 

 An. Anal. 



Sub. Subcaudals with ridges, 

 (i. H. — Body Scales. 



C. Costal s. 



Ver. Vertebra Is. 



