TEETH OF THE DOG. 



289 



The fore feet are generally provided with five toes, and the hind 

 with four, all furnished with strong nails that are not retractile. 

 The inner toe on the fore feet is more or less rudimental, and is 

 called the dew-claw ; while there is also sometimes present in the 

 hind foot a claw in the same situation still more rudimental, inas- 



Fig. 43. 



Fig. 44. 



Fig. 45. 



Fig. 46. 



much as there is often no bony connexion with the metatarsal 

 bone. This also is called the dew-claw, when present. 



THE MUSCULAK SYSTEM. 



The muscles of the dog have nothing remarkable about them 

 except that they are renewed and wasted faster than in most 

 13 



