PLATE XIII. 



Stray Mastodon Bones from Devil's 

 Gulch.' 



Eubelodon morrilli, a, h, c, d and c. 



a, left femur from above. X V^.- 



b, same, back view. X Vk- Across head 

 and tuberosity 14 inches (355 mm.). 



c, patella. 



d, right tibia and fibula united. Appar- 



ently not pathological. X ti>- Tibia 22 

 inches (560 mm.) long. 



e, left humerus, front view. X ?• 



Tetrabelodon willistoiii, f, g and /;. 



/ and g, front and back view of left 

 humerus. X rn. Total length 25 inches 

 (635 mm.). 



/;, five tusks showing varying widths of 

 enamel bands. 



