OF THE SIVALIK HILLS. 



123 



Fig. o, represents the lower jaw of the existing Camel, and placed in 

 ]uxta position with the fossil will convey a tolerable idea of the form and 

 character of both. The measurements of the lower jaws are annexed. 











Existing 



Existing 







Fossil. 



FROM 



FROM Seha- 





Dimensions, Lower Jaw. 







HiSSAR. 



RANPUR. 







Inch. 



Metre. 



Inch. 



Metre. 



Inch. 



Metre. 



1. 



Extreme length from alveolus of incisors 1 



16.8 



.428 



15.0 



.382 



15.2 



.387 



2. 





8.1 



.25 



6.4 



.162 



6.2 



.157 



3. 





5.4 



.116 



5.325 



.135 



4.95 



.125 



4. 



Width of jaw over 1st or pointed molar, .. 



2.1 



.052 



1.95 



.050 



2.0 



.050 



5. 

 6. 





5.9 

 2.95 



.15 

 .075 



5.4 

 2.575 



.137 

 .065 



5.2 

 2.6 



.132 

 .066 



Distance between 1st or pointed molar 1 



7. 



Extreme depth of ramus at the ascending 1 



4.25 



.108 







4.-0 



.101 



This fossil is the remain of a very old animal ; the canines and pointed 

 teeth are worn down to a flat surface, and the molars which can be par- 

 tially examined, from the circumstance of the two jaws having been fossi- 

 lized obliquely on each other, appear to have lost all their enamel excepting 

 the exterior border. We before stated that, although the cranium and 

 facial bones were entirely removed, the lines of molars on both jaws were in 

 position ; the animal had partly from age and partly from accident, lost the 

 first molar from the right side of the upper jaw. This tooth must have 

 dropped out at an earlier period than nature had ever intended, and the 

 coronal surface of the corresponding tooth in the lower jaw for want of the 

 wear which it ought to have had under the natural course of detrition is 

 distinctly marked with its crescentic lines of enamel. The fall of the 

 tooth has further led to a tendency on the part of the rear teeth to incline 

 forwards and partially occupy its place ; this inclination had so far ad- 

 vanced, as to prevent the posterior cylinder of the tooth in the lower jaw 

 from undergoing any change, the front and foremost cylinder only of this 



