FAMILY AKDEID.E. HEKONS, EGRETS, AND lilTTEHNS. 



93 



* Group 4. Wing, 11 to 15 inches long. 



Bill, stout; top of the head, bhiek; hack, dark j^reeu (adult). 



Xycticorax mjcticorux )M;vii(s. Night Heron. 



See No. 15!). 



Bill, stout; top of head, white or whitisli ; bai-k, not i^rceu (adult). 



Nijcticurdx riohici'ii.s. Yenow=crowned Night Heron. 



See No. KiO. 



Bill, stout; ireueral jduniaije, mottled aud streakiid brown and white: outer edge of 

 primaries, reddish brown (immature). Nijcticorax )iijcticor(u luerins. Night Heron. 



See No. 15!). 



IViU. stout; ijeneral plumai;e, mottled and streaked grayish brown and while; primaries, 

 slaty brown (iumiature). Nyctlconix violaceus. YelIow=crowned Night Heron. 



See No. 160. 



General plumnge, white; bill, yellow; legs, black. Ardca Pfirettn. American Egret. 



See No. 1.53. 



General plmna,i;e, white; legs, dark olive; terminal half of bill, black; basal half, 

 flesh color ( wliite phase). Ar(h'<t ni/cscfns. Reddish Egret. 



Set> \o. loo. 



Head and neck, rufous chestnut; rest of plumage, slate color, or slaty gray. 



Ard,,! niff;scen.i. Reddish Egret. 

 See No. 1.5o. 



General plumage, yellow brown, mottled and streaked with dark l)rown; upper surface of 

 primaries, blackish. Botaurus leiUiginosiis. American Bittern. 



See No. 145. 



* For directions for measuremeat, see page 9. 



