b PROKS. B. L. IJHATIA AND BAINI PRASHAD ON THE 



On removing the fronto-parietal it is seen that there is only 

 one anterior fontanelle (vide text-fig. 7, /.), bounded anteriorly 

 by a deep notch in the posterior margin of the sphenethmoid 

 and posteriorly by the cartilaginous cranium. The posterior 



Text-figure 6. 



-R. tigrina; separated bones from the skull. 

 v., vomei' ; ps., paraspheiioid ; qj., qnadrato-jugal ; q., quadrate ; pt., pterygoid.. 



Text-figure 7. 



P^. b 



eo. 



B. tigrina ; dorsal aspect of skull after removal of investing bones. 

 For explanation of the letters see text-fig. 1. 



fontanelles usually found in other forms are absent. Parker, in 

 his description, stated "that the fontanelles are presumably like- 

 those of the lesser kinds," but this is not the case. 



