OF THE SIVALIK HILLS. 57 



Dimensions of Cranium — upper jaw- 



Length of palatine bones on suture below, 



Ditto of sphenoid ditto, 



Extreme breadth across the pterygoid apophyses 

 of sphenoid 



Length from point of muzzle to anterior of orbit 

 Ditto ditto to ditto of lachrymal bone, 



Breadth of the frontal bone on its junction with 

 lachrymal, 



Ditto on the posterior frontals at their junction 

 with the mastoid bones, 



Length of external nostril or nasal aperture, . . 



Breadth of ditto ditto, 



Length of crotaphite foramina or those bounded 

 by the poster, frontal, mastoid and parietal 

 bones, • 



Breadth of ditto ditto ditto ditto 



Breadth of occipital condyle, 



Ditto of occipital foramen, 



Depth of ditto, 



Diameter of 4th tooth upper jaw at its alveolus, 

 Ditto 10th ditto ditto, 



Length from point of muzzle to maxillary extre- 

 mity of palatine bone,....., 



Breadth of intermaxillaries on suture ; i. e, be- 

 tween nasal aperture and point of muzzle, ... . 



Width between grooves on upper jaw for receiv- 

 ing the 4th lower teeth, » 



Lower jaw — number of teeth 30. 



Length from muzzle to posterior extremity of 

 articular bone, 



Extreme breadth at the articular bone, , 



Breadth at the oval aperture formed by the junc- 

 tion of the three bones, 



Greatest depth of jaw, 



Length of symphisis, 



Depth of jaw between 8th and 9th tooth, ...... 



Length of oval aperture at the posterior extremi- 

 ty of dental bone, , 



Depth of ditto ditto ...^ 



Distance between posterior extremity of oval 

 aperture and posterior extremity of articular 

 bone, 



Existing Crocodile. 







11 Feet long. 



7 Feet long. 



Jtosstl. 



Inches. 



Metres. 



Inches. 



Metres. 



Inches. 



Metres. 



5.65 

 3.4 



0.142 

 0.086 



3.7 

 1.75 



0.093 

 0.044 







7.2 

 11.5 

 8.4 



0.182 

 0.290 

 0.211 



4.4 

 7.3 

 5.5 



0.112 



0.186 

 0.140 







1.9 



0.048 



1.1 



0.027 







4.55 

 2.05 

 1.7 



0.115 



0.052 

 0.043 



3.0 



1.40 



0.95 



0.076 

 0.035 

 0.024 



1 



0. 1 



2.8 



0.070 



1.3 



0.9 



1.3 



0.9 



0.65 



0,5 



0.85 



0.032 

 0.022 

 0.032 

 0.022 

 0.016 

 0.126 

 0.021 



0.90 

 0.70 

 0.90 

 0.70 

 0.45 

 0.30 

 0.42 



0.022 

 0.017 

 0.022 

 0.017 

 0.012 

 0.008 

 0.108 



1.0 

 1.15 



0.026 

 0,029 



7.05 



0.180 



4.8 



0.122 



7 Q 





1.7 



0.043 



1.1 



0.027 



3.6 



0.190 



3.95 



0.10 



2.35 



0.060 



5.35 



0.136 



21.5 

 10.0 



0.548 

 0.254 



14.2 

 6.3 



0.36 

 0.16 







11.7 



3.5 



2.95 



1.55 



0.296 

 0.088 

 0.074 

 0.039 



7.1 



2.3 

 1.8 



0.9 



0.18 

 0.0.58 

 0.046 

 0.022 



2.9 



0.073 



1.85 

 1.10 



0.048 

 0.027 



1.1 



0.5 



0.027 

 0.126 







6.55 



0.167 



4.0 



0.102 







From the sutures being obliterated on the upper rugged surface of the 

 fossil, the junction of the lachrymal and anterior frontal on the maxillary 



