622 Note on the Fossil Jaw sent from Jubhulpore. [No. 116. 



Depth from face of teeth to palate. 

 Inches, 



Recent Sculls,; 1st. 3.7 1 



ordinary size, S 2nd. 3.8 > ... palate perfect. 

 Large, 5.8} 



The breadth of this sulcus may also be of importance in the few 



dimensions we have for comparison : they are as below : — 



Greatest breadth of Breadth at front of 



sulcus. the incisors. 



Inches. Inches. 



The Fossil, 4.4 1.7 



A. First Fossil Scull, 3.0 1.2 



B. Second, 4.8 2.8 



Recent Sculls, 1st. 4.9 2.4 



ordinary, size, 2nd. 3.3 2.8 



Large one, ... 3rd. 3.2 2.7 



3. The closeness of the plates of the teeth, and the angle formed by 

 the molars and incisors. — A space of two inches measured on the per- 

 fect part of the incisor included on : — 



The Fossil, 



A. First Fossil Scull, 



B. Second, 



Recent Sculls, 1st. 

 ordinary size, 2nd. 

 Large one, 



4. The a7igle formed by the molars and incisors. — I have called this so, 

 because in our fossil, to all appearance the incisors occupy what may be 

 termed the horizontal plane of the jaw, and the series of plates, which in 

 the recent elephant form the posterior part of the molars, called by 

 Cuvier Os. Fossils, pi. 9. fig. 2, lames osseuses dont t ensemble doit 



former la dent, seem to have partly constituted the molars ; for they 

 are perfectly ossified, and though in the chiselling the top has been 

 taken off, it is difficult from the texture (which by the way is not at all 

 mineralized but truly ossified) to suppose that they cannot have been 

 in use, or that the animal could have managed with only the 4 or 5 

 inches of narrow incisor or molar, which now present a flat surface.* 



* Supposing always that the length and the breadth of the jaw at the rise of the 

 facial arch, as hereafter noted, does not allow us to consider it as that of a young animal. 



8 ridges or 



... pla 



5 



. ... 2i 



5 



. ... 2i 



6 



. ... 3 



8 



. ... 4 



6 



. ... 3 



