54 



DIMENSIONS OF THE SCAPULA. 



Greatest length 



Width of convex side 



Ditto concave side 



Ditto anterior side 



Breadth of neck 



Projection of the acromion 



Greatest height of ditto 



Projection of coracoid apophyse , , 



Height of ditto at the extremity _... 



"With respect to the humerus, that apophyse on the front edge 

 of it which is so conspicuous in true sperm whales, and which 

 represents the deltoidal crest, is here very little prominent, but 

 in length it occupies more than one-half of the front edge. The 

 humerus itself is flatter than in Gatodon, very concave behind, 

 and in front presenting a waved edge. 



Total length of humerus 



Greatest width of ditto 



Semi-diameter of hemispherical head 



inches. 

 4 



2 1-5 

 2 



The cubitus or ulna is not confluent or soldered to any other 

 bone, but perfectly a distinct piece, like the radius. The thin 

 posterior edge of the cubitus is waved, and the olecranian 

 apophyse projects so very little as to make its base not wider 

 than the other end of it. The radius is in shape and dimensions 

 very like the cubitus, only it is thicker and more solid. The 

 width of radius at top and bottom is nearly the same, only in 



