394 



CORACIIFORMES 



Ceratogymnct data of West Africa has the gular wattle, orbits, and 

 bare throat blue, with red on the first and a median line of feathers 

 on the last, and an abrupt, high whitish casque, which is black at 

 the base in the male. Tlie hen has a rufous head and neck. Rlnjti- 

 (Joceros 2ylicn^us of Papuasia and the Moluccas has a reddisli and 

 white casque with obliquely overlapping plates, pale blue naked 



Fig. S3. — Plait-billed Hornljill. Ithytidocerox itnduUiAuf:. x i - J. (Yvo-m.Xatii.re.] 



orbits and throat. Tlie head and neck are chestnut in the male, 

 black in the female. Cranorhinus cassidix of Celebes has a red 

 casque, high in front and rounded posteriorly over the skull; both 

 mandibles are yellow with red bases, and exhibit grooved plates, 

 the bare parts being chiefly blue with a black bar on the throat. 



