124 SCANSORES. 



classed with it live much upon insects. The horn- 

 bills, or rhinoceros birds, which, along with the same 

 description of feet, have many of the habits of omni- 

 vorous birds, could not be brought within any group, 

 the characters of which were to be taken from the bill. 

 Indeed the bringing together of the birds which are 

 included in this division, appears to be rather in order 



to prevent them standing alone, than because of any 

 well marked general affinity between them. 



SCANSORES. 



Cuvier's third order SCANSORES, or climbers, 

 though named from the habit, is in reality, like the last 

 division of the second order, founded upon the 

 structure of the feet, and therefore the name of 

 ZYGODACTVLI, or " yoke-toes," which has also been 

 given to them, is fully the more accurate of the two. 

 A style of motion, or of any other habit, taken singly, is 

 rather a loose ground of classification. It is so with 

 climbing in the case of birds of this order. It is not 



