62 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 surface, 97 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, 47 in. 



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

 Length, 157 in. Breadth of inferior extremity, including external condyloid 

 ridge, 12-4 in. Breadth of trochlear surface, lO'l 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'i in. Depth (fig. 22 b), 

 105 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 (b), 12-2 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, 107 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, ll - 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 ahove 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, 3T in. Breadth of fragment, 11 '2 in. Height of spine, 

 7"5 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, 36 in 



