DESCEIPTION OF PLATES. 487 



Pigs. 12, 12 a, 12 b, and 12 c. — Left unciform. 



Antero-posterior diameter, 4' in. Transverse, 3'6 in. Vertical, 3"5 in. 



Figs. 13, 13 a, and 13 b. — Left poUex metacarpal. 



Length, 6'2in. Height of posterior surface, 3-8 in. Breadth ditto, 2-3 in. 



Figs. 14, 14 a, and 14 b. — Right index metacarpal. 



Length, 8'3 in. Breadth of posterior surface, 2'9 in. 



Figs. 15, 15 a, and 15 b. — Left index metacarpal. 

 Length, 6-8 in. Height of posterior siorface, 3-3 in. Breadth ditto, 2-5 in. 

 Figs. 16, 16 a, and 16 b. — Left index metacarpal. 

 Length, 6-9 in. Height of posterior surface, 4-3 in. Breadth ditto, 2-6 in. 

 Figs. 17, 17 a, and 17 b. — Eight medius metacarpal. 

 Length, 7'8 in. Height of posterior surface, 4- in. Breadth ditto, 2-8 in. 

 Figs. 18, 18 a, and 18 b. — Right medius metacarpal. 

 Length, 8-5 in. Height of posterior surface, 4'9 in. Breadth of ditto, 3'8 in. 

 Figs. 19, 19 a, and 19 b. — Right medius metacarpal. 

 Length, 8-6 in. Height of posterior surface, 4'8 in. Breadth of ditto, 3'4 in. 



Figs. 20, 20 a, and 20 b. — Right medius metacarpal. 



Length, 10' in. Height of posterior surface, 5' in. Breadth of ditto, 4-6 in. 



Figs, 21, 21 a, and 21 b. — Left annular metacarpal. 

 Length, 7-1 in. Height of posterior surface, 3-9 in. Breadth of ditto, 3-4 in. 



Figs. 22, 22 a, and 22 b. — Left annular metacarpal. 

 Length, 8- in. Height of posterior surface, 3-8 in. Breadth of ditto, 3-5 in. 

 Figs. 23, 23 a, and 23 b. — Left annular metacarpal. 

 Length, 7'3 in. Height of posterior surface, 3'6 in. Breadth of ditto, 3' in. 

 Figs. 24, 24 a, and 24 b. — Right minimus metacarpal. 

 Length, 6" in. Height of posterior surface, 2-9 in. Breadth of ditto, 2'6 in. 

 Figs. 25, 25 a, and 25 b. — Right minimus metacarpal. 

 Length, 7'4in. Height of posterior surface, 4'1 in. Breadth of ditto, 4'4 in. 

 Figs. 26, 26 a, and 26 b. — Left minimus metacarpal. 

 Length, 7'3 in. Height of posterior surface, 3-6 in. Breadth of ditto, 3-7 in. 

 Figs. 27, 27 a, and 27 b. — Right medius first phalanx. 

 Length, 4'3 in. Height of posterior surface, 2-6 in. Breadth of ditto, 3-9 in. 

 Figs. 28, 28 a, and 28 b. — Left annular first phalanx. 

 Length, 4- in. Height of posterior surface, 2'6 in. Breadth of ditto, 3'6 in. 

 Figs. 29, 29 a, and 29 b — Right medius metacarpal. 

 Length, 37 in. Height of posterior surface, 2'3 in. Breadth of ditto, 3-3 in. 

 Figs. 30, 30 a, and 30 b. — Left medius metacai-pal. 

 Length, 2'7 in. Height of posterior surface, 1'8 in. Breadth of ditto, 2'6 in. 



Plate LII. 

 Bones of posterior extremity of Proboscidea. 



Fig. 1. — Head, neck, and great trochanter of left femur. 



Length of fragment, 20- in. Breadth of upper extremity, including great tro- 

 chanter, 15-7 in. Antero-posterior diameter of head, 7'5 in. Transverse diameter 

 of broken extremity, 7"5 in. Antero-posterior diameter of broken extremity, 3-6 in. 



