PARTS OF THE LEG. 



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leg of a man and that of a bird, in which the 

 corresponding parts are marked by letters. The 

 great difference between the limbs of birds and 

 human beings consists in this, that what we are 



apt generally to term the leg of a bird, is in fact 

 the part which answers to our ancle. 



The next diagram, which represents the leg of 

 the diver or loon, will convey the best idea as to 

 the real structure of a bird's leg. From this it is 

 evident that we may divide the leg of a bird into 

 three parts. The first, or thigh, analogous to our 



