height. C' 1 more thai) twice as high 

 as V and separated from it by a 

 diastema of approximately I mm. 

 Minute posterior eingula are present 

 on the canines of two out of the lour 

 specimens examined. I" •■'• 4 well 

 Spaced, not separated hy a diastema 

 from the canine, and increasing 

 evenly in size to the rear by both 

 crown height and crown length: I" 

 being approximately half the si/e of 



I". Small anterior and posterior cin. 

 gula are normally present on a || 

 premolars, but vary considerably jj, 

 development In one specimen ex;;m. 

 inedj both cingula were apparent^ 

 absent from I" 1 and were particu- 

 larly distinct on l ,( Molars high 

 cusped. 



Lower jaw: I, not set apart from 

 I , and fractionally superior to it in 

 both crown height and crown lenuth 



Plate 3A. 



Skull of 

 Sminthoims 

 psammophiliu 

 Dorsal view of 

 cranium and 

 upper jaw. 



108 



Vict Nat Vol 88 



