308 



ON THE IBIS. 



It appears by this table, that the animal of 

 Thebes was larger than our curlew ; that one of 

 the Saccara ibises was intermediate in size be- 

 tween that of Thebes and our common curlew, 

 and that the other was smaller than this latter 

 bird. It is also seen that the different parts of 

 the body of the ibis do not observe the same pro- 

 portions between each other, as those of the cur- 

 lew. The beak of the former, for example, is in 

 particular shorter, although all the other parts are 

 longer, &c. 



However, these differences of proportions do 

 not exceed what might be expected in species of 

 the same genus : the forms and characters which 



