766 



HISTORICAL GEOLOGY. 



1221. 



1222. 



DiNOSAUB. — Fig. 1221, Restoration of Ceratosaurus nasicornis (x ^^) ; 1222, skull of same (x ^^j) ; ft, horncore. 



Marsh. 



Allosaurus Marsh is another genus of Carnivorous Dinosaurs from the 

 Atlantosaurus beds, near Megalosaurus in its characters. Labrosaurus of 

 Marsh is another. 



1223. 



Turtles. — Fig. 1223, Glyptops, a Turtle skuE, natural size ; 1224, carapace of probably the same species (x J). 



Marsh. 



