U. 8. GEOLOGICAL 6DRVEY 



MONOGRAPH 55 PLATE XXXVI 



VERTEBRAL COLUMN OF BRONTOPS 



, Brontopi rohuflus? {Am. Mu8. 518). The c 



B, Brontops robuilus, type (Yale Mub. 12048), 

 ence to represent the vertebrae as if they wei 



This figure was obtai 



led by copying the carefully 

 (101959—29) 



