548 



THE CRETACEOUS PERIOD 



Fig. 461. Triceratops prorsus Marsh, from the Laramie Cretaceous. (From a 

 painting by C. R. Knight in the U. S. National Museum.) 



Fig. 462. Spoonbill Dinosaurs of the Cretaceous Hadrosaurus mirabilis (Leidy) 

 as interpreted by Knight. (Osborn, Copyrighted by the Am. Mus. of Nat. Hist.) 



