86 DINOCERATA. 



The transverse processes are flattened, especially above, and directed 

 nearl}^ horizontalh' outward. They are much more elono;ated than in tlie 

 mastodon, and appear to have been proportionally much stronger than in 

 the tapir. 



The principal dimensions of four lumbar vertebrae of the tvpe 

 specimen of IHnoceras mirahile are as follows : 



Measurements of Foiirfh Zitiiifxir Vertebra from Sacrum. [Dhioceras tnirabiIe,l^o. 1036.) 



III. 

 Length of centrum (anterior ejiiphysis wanting), .nSO 



Vertical diameter of centrum, . .087 



Vertical diameter of posterior face of centrum, ... _. .075 



Transver.se diameter of ])osterior face of centrum (approximate), .088 



Measurements of Third Lumbar Vertehra from Sacrum. (Dinoceras mirabile. No, 1036.) 



ra. 

 Length of centrum, , , _ . .( i85 



Transverse diameter of anterior epiphysis, . .091 



Vertical diameter of anterior epiphysis, . . _ , .080 



Transverse diameter of posterior epiphysis, _. ... .091 



Vertical diameter of posterior epiphysis, ... .078 



Measurements of Second Lumbar Vertebra from Sacrum. {Dinoceras mirabile, ^o. 1036.) 



m. 

 Length of centrum, . .086 



Transverse diameter of anterior epiphysis (approximate), .090 



Vertical diameter of anterior epiphysis, . .. .080 



Transverse diameter of posterior epiphysis (approximate), .095 



Vertical diameter of posterior epiphysis, .083 



Measurements of last Lumbar Vertebra. {Dinoceras mirabile, No. 1036.) 



m. 

 Length of centrum, __ .083 



Transverse diameter of anterior epiphysis (approximate), .095 



Vertical diameter of anterior epiphysis, .080 



Transverse diameter of posterior epiphysis (approximate), . ' .105 



Vertical diameter of posterior epiphysis, .075 



