124 NORTH AMERICAN BIRDS. 



brilliant on under surface of wings and tail. Youyig : Head and neck streaked 

 with white and dusky, and lower parts uniform grayish brown or dusky, the upper 

 parts much as in the adult. Eggs plain greenish verditer blue. 



a}. Legs and feet long and slender, the tarsus with a nearly continuous frontal series 

 of transverse scutellse. Adult with neck, back, lesser wing-coverts, and 

 lower parts rich chestnut. Young with lower parts dull grayish brown. 

 ¥. Adult : Lores greenish in life, blackish in dried skins ; feathers surround- 

 ing base of bill blackish. Downy young : Blackish, " with a broad white 

 band over the crown ; legs and bill yellowish, the latter black at the 

 base and tip, and with a central black band." (Dresser.) Length 

 about 22.00-25.00, wing 10.20-11.85, culmen 4.30-5.45, tarsus 2.90-4.30, 

 middle toe 2.10-2.80. Eggs 2.01 X l-'l?. Hab. Warmer parts of the 

 eastern hemisphere ; also, more southern portion of eastern United 

 States, and West Indies.. 186. P. autumnalis (IIasselq.). Glossy Ibis. 

 h^. Adult : Lores lake-red in life, pale brownish or yellowish in dried skins ; 

 feathers surrounding base of bill white. Young not obviously different 

 from corresponding stage of P. autumnalis. Downy young when newly 

 hatched: Clothed with uniform blackish down, the bill whitish, with 

 dusky base. Older : Similar, but base and tip of bill, and band across 

 middle portion, blackish ; the intervening spaces pinkish white. Length 

 about 19.00-26.00, wing 9.30-10.80, culmen 3.75-6.00, tarsus 3.00-4.40, 

 middle toe 2.10-2.85. Eggs 2.05 X 1-41. Hab. Tropical America in 

 general (except West Indies ?), south to Argentine Eepublic and Chili, 

 and western North America, from Texas and Lower California to 



Oregon 187. P. guarauna (Linn.). White-faced Glossy Ibis. 



a^. Legs and feet comparatively short and stout, the tarsus with frontal scutellse 

 more or less irregular and interrupted. Adult with head and upper neck 

 dark chestnut- brown, the lower neck and lower parts violet- blackish ; lesser 

 wing-coverts metallic green and bronzed purple, the back dark metallic 

 green. Young with lower parts dusky, glossed with violet. Wing 10.15- 

 12.00, culmen 3.40-5.10, tarsus 2.70-3.85, middle toe 1.80-2.30. Hab. Vicinity 

 of Lake Titicaca, Peru ; Chili. 



P. ridgwayi (Allen). Peruvian Glossy Ibis.^ 



Family CICONIIDi©.— The Storks and Wood Ibises. (Page 122.) 



Genera. 



a^. Bill decurved toward end, with the tip blunt and rounded ; toes lengthened, the 

 middle one at least half as long as the tarsus. (Subfamily Tantalince.) 

 b^. Adult with whole head and part of neck naked, the skin hard and scurfy, 

 except on top of head, which is covered with a smooth, nearly quadrate, 



^ Falcinellns ridgwayi Allen, Bull. Mus. Comp. Zool. iii. July, 1876, 355. Plegadia ridgwayi RiDGW., in 

 B. B. & R. Water B. N. Am. i. 1884, 94. 



