FISH 



>l OF PLATE. 



as altogether useless, in the rabbit and the 

 man. 



The Figure marked E shows, by the 

 darker shading, the permanent arrangement 

 of the arteries of a mammal. The lighter 

 shading indicates the useless portions that 

 are generally absorbed ; but they some- 

 times remain as rudiments. 



The Figures marked F show some of 

 the muscles of the human ear. Those which 

 are attached to the scalp, and which, in dis- 

 tant ancestors, moved the ear as a whole, 

 forwards, backwards, or upwards, can be 

 thrown into action by few people now living 

 on the earth. Those muscles which are 

 situated on the organ itself, and which 

 formerly regulated its shape, are now 

 absolutely powerless and useless. 



