132 NORTH AMERICAN BIRDS. 
d*, Throat and fore-neck striped with whitish. 
Adult: Whole top of head glossy dark bottle-green or green- 
ish black; rest of head, with greater part of neck, rich 
chestnut, varying in tone from cinnamon to maroon; scap- 
ular plumes plumbeous, or glaucous, glossed with green, 
and with whitish shafts ; wing-coverts metallic bottle-green 
distinctly bordered with buff or whitish; innermost pri- 
maries tipped narrowly with whitish; lower parts plain 
grayish. Young: Much like adult, but top of head usually 
streaked anteriorly with rusty; sides of head and neck 
streaked with ochraceous or buff, on a duller rusty ground ; 
lower parts whitish, striped with dusky; light borders to 
wing-coverts broader, the two or three median rows of 
coverts marked with wedge-shaped spots or streaks of 
white. Length 15.50-22.50, wing 6.30-8.00, culmen 2.00- 
2.55, tarsus 1.75-2.15. Eggs 1.50 x 1.14. Hab. Whole of 
temperate North America, West Indies, Middle America, 
and northern South America, to Colombia and Venezuela ; 
north to Ontario and Oregon ; Bermudas. 
(14.) 201. A. virescens Linn. Green Heron. 
ce. Neck ash-gray. 
Otherwise much like A. virescens. Hab. South America, except 
northern portion. 
A. striata Linn. Streaked Heron. 
Genus NYCTICORAX Srepnens. (Page 126, pl. XXXVIL, figs. 1, 2; pl. 
XXXVIIL, fig. 1.) 
Species. 
Common Craractirs.—Adults: Prevailing colors bluish gray, black, and white, 
the head (except just after breeding season) ornamented with several very much. 
lengthened narrow white plumes; bill black, and iris reddish. Young, brownish, 
striped longitudinally with white. ggs pale bluish green. 
a‘, Culmen about as long as the tarsus; gonys nearly straight, and lateral outlines 
of bill slightly concave ; tarsus but little longer than middle toe; scapulars 
broad, blended. (Subgenus Wycticoraz.) 
Adult: Top of head, back, and scapulars uniform glossy greenish black; 
forehead, sides of head, chin, throat, and lower parts generally white, 
often tinged with delicate cream-yellow ; neck (except in front) and sides 
pale ash-gray ; wings, rump, upper tail-coverts, and tail, deep ash-gray. 
Immature (second year?) : Similar to adult, but scapulars and interscapu- ‘°° 
lars dull ash-gray, like the wings, and white of forehead obscured by 
1 Ardea striata Linn., 8. N. ed. 10, i. 1758, 144, Dutorides striatue Ripew., in B. B. & R. Hist. N. Am. B. 
i, 1884, 51. 
