390 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.54. 



When numbers are missing in the above series of vertebrae, ribs, 

 etc., it indicates that those bones were entirely restored. 



The position of the bones as found in the quarry may be deter- 

 mined by referring to the quarry map published as plate 37 in Bul- 

 letin 89, U. S. National Museum 1914. 



EXPLANATION OF PLATES. 

 Plate 57. 



Mounted skeleton of Stcgosaiinis stciwps Marsh. About 1/28 natural size. 

 Yiewerl from the right side. 



Plate 58. 



Mounted skeleton of Stepot<aiirn'^ fffcnoiis Marsh. About 1/20 natural size. 

 Oblique view of right side. 



Plate .59. 



Mounted skeleton of Stegosuvrus ste)tops Marsh. About 1/14 natural size. 

 Viewed from the front. 



Plate 60. 



Mounted skeleton of Stegosaurus stenops Marsh. About 1/14 natural size. 

 Viewed from the back. 



Plate 61. 



View of the Stegosaurus specimens as exhibited in the United States National 

 Museum. 1. Mounted skeleton No. 8612. 2. Type of Stegosaurus stenops 

 No. 4934, shown as found. 3. Life-sized restoration of Stegosaurus stenops 

 No. 5794. Viewed from above. All about 1/63 natural size. 



Plate 62. 



Life-sized restoration of Stegosaurus stenops in United States National Mu- 

 seum No. 5794. Oblique view of the left side. Original modeled by Mr. Charles 

 R. Knight in 1903. 



Plate 63. 



Model restoration of Stegosaurus stenops Marsh. Aboxit 1/27 natural size. 

 Modeled by Charles W. Gilmore, 1915. Based on the type and other specimens 

 in the United States National Museum. 



