526 Dr. Walter Adam on 



whose examination the writer of this paper is indebted to the 

 liberality of Professor Jameson. 



The bones are described in accordance with the nomencla- 

 ture of Dr. Barclay. 



The terms 'lateral,' 'mesial/ 'rostral/ 'caudal/ are applied to 

 all the bones, as expressing the aspects of the sides, the mesial 

 plane, the muzzle, and the tip of the tail. 



The terms ' basilar' in the head, 



• sternal' in the neck and trunk, 



signify the aspects of the base of the head and of the breast- 

 bone ; — in common language, 



' downwards' in the head and trunk, 



' forwards' in the neck. 

 The terms ' coronal' in the head, 



' dorsal' in the neck and trunk, 

 signify the aspects of the forehead, and of the back-bone ; — in 

 common language, 



' upwards' in the head and trunk, 



* backwards' in the neck. 



In the limbs, besides their more correct denominations of 

 'atlantal' and 'sacral', for 'fore' and 'hind', two further terms 

 are necessary : 



These are, 'proximal' towards the trunk, 



' digital' towards the extremity of the limb. 



The adverbial termination is ad. 



Of the Head. 



The height, the breadth, and the basilar length of the cra- 

 nium are very nearly in the proportion 



1. 2. 4. 

 The union of the lower jaws ; the height from the angle of 

 the lower jaw to the summit of the occiput; and the length 



from 



