482 FAUNA ANTIQUA SIVALENSIS. 



Breadth of trochlear surface, 8-5 in. Smallest antero-posterior diameter of troch- 

 lear surface, 3'5 in. 



Fig. 19. — Lower articulating end of right humerus. 



Length, 15- in. Breadth of inferior extremity, including external condyloid 

 ridge, 12-4 in. Breadth of trochlear sui-face, 9-7 in. Smallest antero-posterior 

 diameter of trochlear surface, 4' in. 



Fig. 20. — Lower articulating end of right humerus. 



Breadth of inferior extremity, including external condyloid ridge, 12' in. 

 Breadth of trochlear surface, 9-6 in. Smallest antero-posterior diameter of troch- 

 lear surface, 4' 7 in. 



Fig. 21. — Lower articulating end of right humerus. 



Length, 1.5-7 in. Breadth of inferior extremity, including external condyloid 

 ridge, 12-4 in. Breadth of trochlear surface, 10-1 in. Smallest antero-posterior 

 diameter of trochlear surface, 4'3 in. 



Figs. 22, 22 a, and 22 b. — Upper end of shaft and articular surface 

 of united radius and ulna, left side. 



Length, 22-4 in. Width of upper end or head (fig. 22 a), 7-4 in. Depth (fig. 22 b), 

 10-5 in. 



Figs. 23 and 23 b. — Upper end of shaft and articular surface of 

 united radius and ulna, right side. 



Length, 17- in. Width of upper end or head, 7-5 in. Depth (6), 122 in. 



Fig. 24. — Upper articular surface of radius and ulna, right side. 



Width of upper end or head, 9-6 in. Depth, 127 in. 

 Fig. 25. — Upper articular surface of radius and ulna, left side. 



Width of upper end or head, 7' in. Depth, 10-8 in. 

 Fig. 26. — Upper articular surface of radius and ulna, left side. 

 Width, 7-8 in. Depth, 10-2 in. 



Fig. 27. — Upper articular surface of radius and ulna, left side. 



Width, 6-8 in. Depth, 10- in. 

 Fig. 28. — Upper articular surface of radius and ulna, left side. 

 Depth to internal angle of ulna, 10-7 in. 



Figs. 29 and 29 a. — Upper articular surface of radius and ulna, 

 right side. 



Length, 12-5 in. Depth to internal angle of ulna, 11'3 in. 



Plate XLIX. 

 Bones of anterior extremity of Proboscidea. 

 Fig. 1. — Fragment of right scapula, showing spine, glenoid 

 cavity, &c. 



Length of fragment, 227 in. Breadth of fragment (greatest), 13- in. Greatest 

 height of spine above infra-spinous fossa, 7-2 in. Greatest diameter of glenoid 

 cavity, 7'5 in. Lesser diameter of glenoid cavity, 5' in. 



Figs. 2 and 2 a. — Fragment of right scapula, showing spine and 

 glenoid cavity. 



Length of scapula, 31- in. Breadth of fragment, 11-2 in. Height of spine, 

 7'0 in. 



Fig. 3. — Fragment of right scapula, including glenoid cavity. 



Length of fragment, 14- in. Greatest diameter of glenoid cavity, 6-6 in. Lesser 

 diameter of glenoid cavity, 3"6 in 



