236 



tail-coverts dull chestnut ; abdomen darker and duller ; flanks and 

 thigh-coverts blackish with a green gloss. 



Bill pale green ; both mandibles maroon-red near the base ; 

 irides blue in the male, yellow in the female ; legs and feet dark 

 plumbeous. 



Length about 18'5; tail 11; wing 6-75; tarsus 1-6; bill from 

 gape 1-9. 



Distribution. The Malayan Peninsula, Sumatra, and Borneo, 

 ranging into Southern Tenasserim as far north as Yay. 



Habits, fyc. According to Tickell and Davison, very similar to 

 those of its allies. Tickell observed that this species fed on 

 " Coleoptera, Hemiptera, and very large caterpillars." 



Genus RHINORTHA, Vigors, 1830. 



Bill longer than in the preceding genera and compressed, the 

 culmen almost straight till near the tip ; nostril oval, longitudinal ; 

 naked area around the eye not separated from the bill by feathers 

 on the lores. Wings and tail as in Zandostomus. Feathers of 

 head spiny. Sexes different. 



A single species. 



1128. Rhinortha chlorophaea. Raffles' s Green-billed Matkoha. 



Cuculus chlorophaeus, Raffl. Trans. Linn. Soc. xiii, p. 288 (1822). 

 Rhinortha chlorophsea, Vig. App. Mem. Raffl. p. 671 ; Blyth, J. A. 



S. B. xi, p. 924 ; xii, p. 246 ; xiv, p. 199 ; xvi, p. 468 ; id. Cat. 



p. 76 ; Horsf. $ M. Cat. ii, p. 692 ; Sharps, P. Z. S. 1873, p. 603, 



fig. 8 ; Walden, in Blyttis Birds Burm. p. 82 ; Hume fy Dav. S. F. 



vi, p. 166 ; Hume,Cat. no. 216 quat. ; Oates, B. B. ii, p. 120 ; Shelley, 



Cat. B. M. xix, p. 393. 



Fig. 67. Head of R. chloropkaa, 



Coloration. Male. Head and neck above chestnut, back and 

 wings rather darker, quills broadly tipped dusky ; rump and upper 

 tail-coverts and tail dull black, with narrow grey cross-bars, not quite 

 so close together on the tail ; ail tail-feathers broadly tipped white, 

 the pale bars wanting near the white tip ; chin, throat, and sides of 

 head and neck pale chestnut, growing paler on the breast and then 

 passing into dull brown with close faint cross-bars on the abdomen, 

 flanks, and lower tail-coverts. 



Female. Head and neck above and on the sides ashy grey ; back, 

 rump, wings, and tail deep chestnut, the quills with dusky tips, the 



