GKESSOUES — AUDEID.i: 207 



Breeds. — Spain (Marismas), France (Camargue), Lower 

 Danube, S. Russia (Lower Dniester and Volga), Caucasus, and 

 widely in Asia, N. Africa and also in S.E. United States. 

 Migrates; visits N.W. Europe, including Britain, chiefly in 

 autumn, has occurred north to Iceland. Winters tropical and 

 S. Africa and Asia, and some in Sardinia, Tunisia and Palestine. 



COMATIBIS. 

 Head and upper neck in front naked ; head somewhat 

 hammer-shaped ; throat feathers long, thin, and lance-like. 



Comatibis eremita (L.). 



(^ ^ Plumage bronzy purple and green. Dill, legs, feet, 

 and naked skin on sides of head and throat red, on top of head 

 black. Iris reddish orange. Wing ^ 403-420, $ 390-408. 

 Tarsus 68-72. Billed 133-147, ? 115-131(1^.). 



Breeds. — Morocco, Algeria, N.E. Africa and S.W\ Asia, 

 formerly bred in Alpine districts of S. Europe. Apparently 

 resident. 



Threskiornis. 



Entire head and neck bare. 



Threskiornis aethiopicus aethiopicus (Latham). 

 Sacred Ibis. 



(^ 9 Bare head and neck black ; plumage snowy white ; 

 tips of primaries, inner secondaries and scapulars black. Bill 

 black. Legs and feet dark red. Iris brown. Wing ^ ^ 360- 

 400. Tarsus 90-100. Bill 138- 170 (H,). 



Resident. — Africa south of Sahara, S. Arabia, and Mesopotamia ; 

 of occasional occurrence in Egypt. 



ARDEIDiE. 



Herons. wSternuni with two incisions on hind margin; 

 outer and mid toes joined by web at base; middle claw 

 pectinated ; powder-down patches present on breast and sides 

 of rump. 



