192 PLATYSTERA. 



This comparison must speak for itself. Having 

 already shewn that the sub-genera in the last column 

 represent the genera of the sub-family Muscicapinoe, 

 and that there, again, are- representations of the 

 primary divisions of all birds, we know not how 

 demonstration can be carried further. We think 

 the complaint, in this instance at least, formerly 

 brought against us, of making assertions instead of de- 

 monstrations, will be thought some what premature : 

 seeing that a proposition must be first made, before 

 the drift of the evidence to be adduced in its support 

 can be well understood. We shall, therefore, now 

 close this analysis of the genus Todus, and com- 

 mence a survey of the last and most typical group 

 of these insectivorous birds. 



The genus 



