STRIGID.E — THE OWLS. 



97 



NOTE. 



TnR crnnia of tlio Owls present many features of interest, which may serve a good 

 purpose in the d 'inition nC the scftions and tiic freiiera, and to which attention lins been 

 occasionally called in the precedin;.' pages. The tendency to asyiinnelry is especially 

 marked in some species, and tln" better to illustrate tliis and other features wc appenil 

 several plates, in which the corresponding views are placed side by side.* The figures 

 and accompanying lettering tell their own story, without any necessity of a labored 

 description. 



R. R. 



Athene noctua (from KAl'P). 



Syrniiim aluco Iconitil from KALI'). 



Nyctale richardsonl 



* We give, above, three well-marked illustrations of asymmetry ; two relating to the auditory 

 apparatus of the two sides of the head, and one of opposite sides of the skull. 

 VOL. III. 13 



