12 



to the Raptorial Birds, and which are almost the only Birds of this 

 order, as Cuvier observes, (Rėgne An., nouv.ed., i. p. 561,) thatperch, 

 I did not fail to try the common experiment suggested by Borelli's 

 observations on the effect which bending the leg- and ancle-joints 

 might have upon the toes : the latter, however, exhibited no corre- 

 sponding inflection. In perfect agreement -vvith this is the obser- 

 vation that the Pelicans do not perch when they go to ręst." 



