— 138 — 



Fig. 37. Sternum, front aspect. 



Breadth 62 c.M. 



Height 51 „ 



38. Schematic representation of the connection between the sternum and 

 the lower extremities of the first pair of ribs; freely rendered after 

 Struthers. 



39. Scapula sinistra; lateral aspect showing the exterior surface. 



Breadth 165 c.M. 



Height 107 „ 



40. Scapula sinistra, showing the interior surface reposing against the rfbs. 



41. Upper part of breast-flipper; lateral view, showing the exterior surface. 



Humerus length 69 c.M. 



Radius length .121 „ 



Ulna length 126 „ 



42. Lower part of breast flipper, exterior view; metacarpalia: 



1st metacarpal 28 c.M. 



2nd metacarpal 35 „ 



3rd metacarpal 29 „ 



4th metacarpal 18 „ 



Length of 2nd digit -f- 2nd metacarpal = 128 c.M. 



43. Rudiment of dexter half of pelvis; lateral view showing exterior and 

 interior surfaces. 



Length 45 c.M. 



44. Penis. 



Length 180 c.M. 



Girth round basis ... 40 „ 



