PLATE I. 



Skeleton of the Megatherium, on the scale of one inch to a foot. (The vertebrae 



concealed by the scapula are added in outline.) 



C i-7. Cervical vertebrae. c. 



D 1-16. Dorsal vertebrae. p. 



L 1-3. Lumbar vertebrae. d. 



S. Sacrum. m. 



Cd 1-ib. Caudal vertebrae. u. 



38. Stylohyal. i. 



hJ Scapula. 



63. Humerus. n. 



"■ Ulna. in. 



J*. Radius. iv. 



s. Scaphoid part "l of Scaphotrape- v. 



/. Trapezial part/ zium. <&• 



/. Lunare. us. 



<n- Pubis. ce. 



«s. Femur. b. 



m Tibia. n. 



w. Patella. 



«7. Fibula. in. 



«r Fabella. iv. 



a. Astragalus. v. 



cl. Calcaneum. 



*. Scaphoides. 



Cuneiforme. 



Pisiforme. 



Trapezoides. 



Magnum. 



Unciforme. 



Rudimentary metacarpal of first digit 



or. pollex. 

 Second digit, or index. 

 Third digit, or medius. 

 Fourth digit, or annularis. 

 Fifth digit, or minimus. 

 Ilium. 

 Ischium. 

 Ectocuneiform. 

 Cuboides. 

 Rudimentary metatarsal of second 



digit. 

 Third digit. 

 Fourth digit. 

 Fifth digit. (There is no rudiment 



of the first or innermost toe of the 



hind foot in the Megatherium.) 



