FAMILY AEDEID^. IIEKONS, EGRETS, AND BITTERNS. 



93 



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



Bill, stout; top of the head, black; back, dark greeu (adult). 



Nyctirjjrax nycticoni.r lucviiix. Night Heron. 



See No. 1511. 



Bill, stout; top of head, wliite or wliitisli ; back, not ureen (aduU). 



Nycticorax violaci'iis. Yellow=crowned Night Heron. 



.See No. 1(10. 



Bill, stout; general plumajje, mottled aud streaked brown and wliite; outer edge of 

 primaries, reddish brown (iunnature). Nycticorax nyctu-orax ni.Kvins. Night Heron. 



See No. 1.5!). 



Bill, stout; jieiieral plumage, mottled and streaked grayish brown and white; primaries, 

 slaty brown (iinuiature). Nyclic(ir<ix violaceus. Yellow-crowned Night Heron. 



See No. 160. 



General plumage, white; bill, yellow; legs, black. Ardm iijivUn. American Egret. 



See No. 15:;. 



General plumage, white; legs, dark olive; terminal half of bill, black; basal half, 



flesh color (white phase). -!'■'?''" nifrscus. Reddish Egret. 



Sre No. 1.5.5. 



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



Arili'd riif('srr)i.s. Reddish Egret. 



See No. 1.55. 



General plumage, yellow hrown, mottled and streaked N\ith dark liruwn; uiiper surface of 

 nrimaries, blackish. " Botaurus le,di,,inmHs. American Bittern. 



See No. 145. 



* For diret'Cionrt for iiieasuretm;nt, S(ic page 9. 



