FAMILY IBIDIDA. — IBISES. 87 
FAMILY IBIDIDAE. 
Ibises. 
Bill, long, rather slender, and decidedly curved downward; tarsus, 
always less than five inches long; toes, four, all on the same level, no comb- 
like edge on side of middle toe nail; wing, from 8.50 to 13 inches long. 
Wing, less than 10.50 inches long. 
General plumage, purplish chestnut, showing purplish reflections on head, and greenish 
on wings; axillars and under wing coverts, purplish bronze: feathers, bordering base of 
bill, whitish. Plegadis guarauna. White-faced Glossy Ibis. 
General plumage, dark chestnut; feathers, at base of bill, not white. 
Plegadis autuniualis. Glossy Ibis. 
See No. 142. 
General plumage. white; primaries, blackish (adult). Guara alba. White Ibis. 
See No. 140. 
General plumage, brownish or grayish, often more or less mixed brown, gray and white; 
rump, white (immature). Guara alba. White Ibis. 
See No. 140. 
General plumage, scarlet. The young Searlet [bis somewhat resembles the young White 
Ibis. but differs in having the rump not white. Guara rubra. Scarlet |bis. 
See No. 141. 
