8 TEE BONES. 



ihQ general principles which should be known, in order to comprehend the details 

 of the special descriptions. 



Aeticle I. — The Skeleton. 

 The whole of the bones, considered in their natural relations to each other, 

 constitute the skeleton. In order to prepare the skeleton of any animal, it is 



SKELETON OF THE DOG. 



sufficient to free it from the soft parts surrounding it. The skeleton should be 

 designated natural, if in this operation the ligaments that naturally join the 



Fig. 2. 



SKELETON OF THE CAT. 



various pieces together are allowed to remain ; and artificial if, after these liga- 

 ments have been destroyed, it is necessary to replace them by materials foreign 

 to the organization, such as iron or brass wire. 



