G. R. Wieland — Archelon ischyros. 



4:07 



reappearing distallj as a distinct concave expansion looking 

 forwards and downwards as it rather abruptly merges into the 

 articular surface. The bone has a distinct twist, the trend of 

 the distal articular surface standing at an angle of 75° to that 



Archelon ischyros. 

 All one-tenth natural size and from the same individual as Plate YI. 



1. Left Humerus, outer view. 



2. Left Radius, outer view. ' 

 8. Left Ulna, outer view. 



4. Left Femur, outer view. 



5. Left Femur, anterior lateral view. 



6. Right Tibia, outside view, drawn as the left tibia. 



7. Right Fibula, outside view, drawn as the left fibula. 



8. Proximal of Femur, posterior view, 



9. Carpal (?) 



10. 11, 12. Phalanges. 



