256 FAUNA ANTIQUA SIVALENSIS. 



Dimensions of the Skull of the Sivatherium giganteum.^ 



From the anterior margin of the foramen magnum to the alveo 

 lus of first molar ....... 



From ditto to the truncated extremity of the muzzle . 



From ditto to the posterior margin of the last molar . . 



From the tip of the nasals to tlie upper fractured margin of the 

 cranium ......... 



From ditto ditto to ditto along the curve .... 

 From ditto ditto along the curve to where the nasal arch begins 



to rise from the brow ....... 



From tlie latter point to the fractured margin of the cranium 

 From the tip of the nasals to a chord across the tips of the 



horns .......... 



From the anterior angle, right orbit, to the first molar 



From the posterior ditto ditto to the fractiu'ed margin of the 



cranium ......... 



Width of cranium at the vertex (mtitilation at left side restored) 



about .......... 



Ditto between the orbits, upper borders .... 



l)itto ditto, lower borders .... 



Ditto behind the orbits at the contraction of the frontal . 



Ditto between the middle of the zygomatic arches 



Width between the bodies of the malar bones . 



Ditto base of the skull behind the mastoid processes (mutilated 



on both sides) ........ 



Ditto between the cheek tuberosities of the maxillaries 



Ditto of muzzle portion of the maxillaries in front of the first 



molar .......... 



Ditto of ditto where truncated (partly restored). 

 Ditto between the outer .surfaces of the horns at their base 

 Ditto ditto ditto f'aetured tips of ditto . 

 Perpendicular from a chord across tips of ditto to the brow 

 Depth from the convexity of the occipital condyles to middle of 



frontal behind the horns ...... 



Ditto from the body of the sphenoidal to ditto between the horns 

 Ditto from middle of the palate between the third and fourth 



molars to ditto at root of the nasals .... 

 Ditto from posterior surface, last molar, to extremity of the nasals 

 Ditto from gi'inding surface penultimate molar to root of the 



nasals. ......... 



Ditto from the convexity near the tip of the nasals to the pala^ 



tine surface in front of the first molar .... 

 Depth from middle of the ala of the occipital to the swell at 



vertex of frontal . . . . . . 



Ditto from inferior margin of the orbit to grinding surface 5th 



molar .......... 



Ditto from the grinding surface, 1st molar, to edge of the palate 



in front of it ....... . 



Space from the anterior angle of orbit to tip of the nasals 

 Antero-posterior diameter left orbit ..... 



Vertical ditto ditto ..... 



Antero-posterior diameter of the foramen magnum . , 



Transverse ditto ditto 



Long diameter of each condyle ..... 



Short or transverse ditto of ditto ..... 



Interval between the external angles of ditto measured across 



the foramen ......... 



En:^. 

 Inches 



18-85 



20-6 



10-3 



18-0 

 19-0 



7-8 

 11-2 



8-5 

 9-9 



12-1 



22-0 

 12-2 

 16-2 

 14-6 

 16-4 

 16-62 



19-5 

 12-2 



5-8 



4-1 



12-5 



13-65 



4-2 



11-9 

 9-94 



7-62 

 13-0 



10-3 



5-53 



8-98 



7-3 



2-6 

 10-2 

 3-3 

 2-7 

 2-3 

 2-6 

 4-4 

 2-4 



7-4 



M6tres 



478 



6268 



262 



4568 

 4822 



198 



284 



216 

 251 



3075 



559 



3095 



4108 



3705 



4168 



422 



496 

 3095 



149 

 104 

 312 

 347 

 165 



302 

 252 



192 

 331 



262 



14 



228 



186 



066 



2595 



084 



0685 



058 



066 



112 



0603 



-188 



' To facilitate comparison with the 

 large animals described in Cuvier's 



' Ossemens Fossiles,' the dimensions are 

 also given in French measure. 



