136 BULLETIN 89, UNITED STATES NATIONAL MUSEUM. 



Plate 31. 



Dermal bones of unidentified reptiles. 



Fig. 1. Dermal ossifications of unidentified reptiles, (a) Cat. No. 7804, U.S.N.M.; (6) Cat. No. 7805, 

 TJ.S.N.M. Lateral view. Both natural size. Both from Lance formation of Wyoming. 



See p. 122. 



2. Dermal scutes of Hierosaurus ?. Cat. No. 7726 U.S.N.M. J nat. size. Dorsal view of all. 



From Big Horn Count)', 'Wyoming See p. 122. 



3. Dermal scute of unidentified dinosaur from the Lance formation of Montana. Cat. No. 7724, 



TJ.S.N.M. J nat. size. Dorsal new. See p. 122. 



4. Dermal scute of unidentified dinosaur from the Lance formation of Wyoming. Cat. No. 7243, 



U.S.N.M. i nat. size. Dorsal view. See p. 122. 



Plate 32. 



Restorations of Stegosaurus . 



Upper figure. Restoration of Stegosaurus ungulatus Marsh, 1891. ^ nat. size. After Marsh. 



See p. 122. 



Lower figure. Life restoration of Stegosaurus -ungulatus Marsh. By J. Smit, 1893. After Rev. H. N. 



Hutchinson. See p. 123. 



Plate 33. 



Restorations of Stegosaurus. 



Upper figure. Life restoration of Stegosaurus. By Frank Bond, 1899. Drawn under the direction of 

 Prof. W. C. Knight. See p. 123. 



Lowerfigure. Life restoration of Stegosaurus ungulatus Marsh. By Charles R. Knight, 1901. AfterF.A. 

 Lucas. See p. 123. 



Plate 34. 



Restorations of Stegosaurus. 



Upper figure. Life restoration of Stegosaurus ungulatus Marsh. By G. E. Roberts, 1901. See p. 123. 



Lower figure. Statuette of Stegosaurus stenops Marsh. By Charles R. Knight, 1903. After model in 



U. S. National Museum. See p. 123. 



Plate 35. 



Restorations of Stegosaurus. 



Upper figure. Restoration of Stegosaurus ungulatus Marsh, by T. Smit. After Rev. H. N. Hutchin- 

 son, 1911. See p. 123. 

 Lowerfigure. Life restoration of Stegosaurus, 1905. After E. Ray Lankester. See p. 123. 



Plate 36. 

 Restorations of Stegosaurus. 



Upper figure. Life restoration of Stegosaurus ungulatus Marsh, by R. S. Lull, 1910. After R. S. Lull. 



See p. 124. 



Lower figure. Mounted skeleton of Stegosaurus ungulatus Marsh, in the Peabody Museum, New Haven, 



Conn. (Cat. Nos. 1853 and 1858), oblique front view. 1910. Length, 19 feet 5 inches. After 



R. S. Lull. See p. 124. 



Plate 37. 



Map of quarry 13, near Como, Albany County, Wyo min g Worked under the direction of Prof. O. C. 

 Marsh, from 1S79 to 1SS7, inclusive. Scale about 4J feet to the inch. This map shows the relative posi- 

 tions of all the bones found in diagrams 1, 2, 3, 4, 5, 7, 8, 11, 12, and 13, each bone or group of bones 

 being designated by the original quarry numbers. Compiled from quarry maps made by Mr. Fred 

 Brown. See p. 4. 



