ARDEA. 131 



Ejgs 1.97 X 1--1C. Hah. Warmer portions of eastern United States, 

 north to Florida and southern Hhnois (vicinity of Cairo); Mexico 

 (both coasts, including Lower California) and Guatemala; Cuba; 



Jamaica 198. A. rufescens (i.mel. Reddish Egret. 



c*. Color entirely ])uro white, at all ages; size oi A. rufa. Hub. Gulf coast, 

 from Florida to Texas, and south to Honduras and Guatemala (both 



(13.) coasts); Cuba — . A. pealei Bonap. Peale's Egret. 



<i'. Culmcn equal to or longer than tarsus, the latter less than one and a half times 

 as long as the middle toe (without claw), 

 t'. Wing more than 8.00 ; culmen and tarsus more than 3.00. 



Adult with an occipital tuft of several moderatelj' lengthened lan- 

 ceolate, compact-webbed feathers; jugular feathers broadly lan- 

 ceolate, with compact webs, and distinct outlines ; scapular plumes 

 lengthened, straight and hair-like, extending to a little bej-ond the 

 tail ; color never wholly white. (Subgenus Hydranassa Baird.) 

 Adult: Head, neck, and upper parts bluish plumbeous, the lan- 

 ceolate plumes with a chalky or glaucous cast, the color darker 

 on head and neck; plumes of occiput and nape rich maroon 

 purplish, the longer feather among the former white; jugular 

 plumes rich maroon purplish and plumbeous-blue ; chin and 

 upper part of throat pure white, continued in streaks, mixed 

 •with I'ufous and plumbeous, down the fore-neck; "train" {i.e., 

 scapular plumes) light drab ; lower parts plain white. Young: 

 Head and neck chiefly light rusty, the malar region, chin, and 

 throat pure white; fore-neck streaked white and rusty; lower 

 parts, rump, and upper tail-coverts pure white ; upper parts 

 (except rump, etc.) plumbeous, the back tinged and the wing- 

 coverts spotted with rusty. Length 23.00-28.00, wing 8.35- 

 10.80, culmen 3.30-4.15, tarsus 3.20-i.l5. Eggs 1.78 X 1-29. 

 Hdb. AYarmer portions of eastern North America, north, casu- 

 allj-, to New Jersey, Indiana, etc. ; whole of Mexico (including 

 Lower California) and West Indies. 



199. A. tricolor ruficoUis (Gosse). Louisiana Heron. 

 6'. Wing not more than 8.00; culmen and tarsus less than 3.00. 



Adult with scapular plumes and feathers of top of head moderately 

 lengthened, lanceolate, soft, and with compact webs; jugular plumes 

 broad, soft, and blended ; color never white. (Subgenus ButoiidiS 

 Blyth.) 

 c'. Neck maroon-chestnut, rufous, or rusty. 



d\ Head and neck (except top of former) uniform chestnut-rufous, 

 without white markings on throat and fore-neck ; wing-coverts 

 very narrow!}- edged with rusty. Young: Plumage nearly 

 uniform rusty brown. Wing G.40-7.00, culmen 2.20-2.75. tarsus 

 1.85-2.30. Hah. Cuba. A. brunnescens Gusdl. Brown Heion.' 



> Arilea brunneteeui "Gl'Xdl. MSS.," Lemb. Ares de Cuba, ISJO, 84, pi. 12. Baturidct hrunnetctnt Bairs, 

 C. X. Am. 1858, 677 (in text). 



