512 



GEOLOGY OF THE DENVER BASIN. 



working <>ui the geology of this region. The restoration of the skeleton 

 on PI. XXVII shows the general form and position of one of these reptiles 

 when alive. 



'\S*' 



kTs • illai J looth oi ZM Marali. Natural s 



.t r > ir« 6, side v "■« ; c innr, x iew ,i aecj) from below 



A x \ 



Fig .' Fraginentoi Bkull with horn -cores of Ceratopa altit 

 Fig. 80, i.'ii horn-core of same specimen; side Hem . 

 Both figures areone*eighth natural size. 



i Marsh fronl - 



