EXPLANATION OF PLATE XXVL 



Fig. I. — Map of southeastern Wyoming, showing exposures of Jurassic. 

 The shaded area represents the accompanying map, Fig. 2. This map is a 

 reproduction of Knight's (see page 189). 



Fig, 2. — Map as indicated on Figure i, showing position of quarries and 

 fossil localities on Medicine and Como anticlines ; also positions of sections 

 made through the Jurassic, as follows : 



A-B, section of Jurassic on Plate XXVII, Fig. 3. 



C-D, section of Jurassic on Plate XXVII, Fig. I. 



E-F, section of Jurassic on Plate XXVII, Fig. 2. 



L-H, section across Medicine and Como anticlines, Plate XXVI, Fig. 3. 



16, quarry of the American Museum (Dinosaur). 



13, Marsh's Stegosaurus quarry. 



12, quarry in bed No. 13, author unknown. 



10, II, 14, 15, quarries made by Marsh. 



* Quarries of American Museum. 



Fig. 3. — Ideal section across Medicine and Como anticlines, as the strata 

 would have appeared had no erosion taken place. 



