FAMILY ARDEIDvE. -- HERONS, EGRETS, AND BITTERNS. 9] 



General plumage, white; tips of primaries, tinged with slaty blue; legs, yellowish 

 olive ^immature). Ar<l<-<i. c<rrnlrti. Little Blue Heron. 



See Xo. 157. 



f 



i 



General plumage, white; ends of prima- 

 ries, not tinged with slaty blue; legs, black; 

 feet, yellow. 



Snowy Heron. 

 Snowy Egret. 

 See Xo. 154. 



Louisiana Heron. 

 Back, ashy gray; primaries, slaty gray; belly and sides, white. 



Ardea tricolor ruficnllis. Louisiana Heron. 



See Xo. 156. 



