330 



ON THE EXTINCT MAMMALIA OF 



jines. 



Lines 



15 



13 



20 



17 



18 



lU 



16 



14 



15 



12 



11 



9 



number of teeth holding the same relation. The breadth at the narrowest portion of 

 the smaller specimen is scarcely ten lines; that of the other is nearly fifteen lines. 



13. The lower extremity of a radius, the articular surface of which measures 

 twenty-one lines in breadth. 



14. Four astragali, of which the largest and smallest present the following 

 measurements : 



Greatest breadth of articular surface of the condyles, 



Width of inner condyle. 



Width of outer condyle. 



Breadth of base. 



Breadth of scaphoid surface. 



Depth of scaphoid surface, . 



15. Four distal ends of metacarpals and metatarsals, the articular surfaces of which 

 measure the following breadths : fifteen, twelve, eleven, and ten lines. 



16. Five first phalanges or pasterns, of which three present the following measure- 

 ments, the others being of intermediate proportions : 



Length in the axis, 

 Breadth of proximal end. 

 Breadth of distal articulation, 

 Breadth at middle of shaft, 



17. Four second phalanges or coronets, with the following dimensions 



Length in the axis, 

 Breadth proximally, . 

 Breadth distally, 



Lines. Lines. 



Lines. 



. 22i 18J 



18J 



. Ui 13J 



11 



. 12 lOJ 



8J 



. 9 9J 



7 



(ving dimensions : 





ines. Lines. Lines. 



Lines 



I6i 13 11* 



11 



22 15J 15 



14 



21 13 Ui 



12J 



