126 



The Bird 



thin affair, narrow throughout its whole length and so 

 thickly bordered with a deep, delicate fringe that it 

 bears a decided resemblance to a feather. 



FIG 98. Feather-like tongue of Toco Toucan. 



The tongue of a flamingo is thick and fleshy, filling 

 the entire cavity of the lower mandible and in shape 

 reflecting its crookedness. The upper edges of the man- 







FIG. 99. Tongue of Flamingo within lower mandible (natural position), 



dible approach each other so closely that they perma- 

 nently inclose the tongue, motion being only possible in 



