ANSEEES 



459 



which does not, it will be observed, bear any relation to the 

 variation of the total length of the intestine. 



The following are some intestinal measurements : — 



The rrmscular anatony of the Anseres is very uniform, 

 which coincides with their uniformity of life habit. Even 

 presumed aberrant types, such as Mergus, Biziura, and 



