VISCOUNT WALDEN ON THE BIRDS OF CELEBES. 53 
are otherwise difficult to recognize as distinct species) is very remarkable. ‘The four 
species form a natural group which cannot be consistently subdivided, unless P. calo- 
rhynchus be also made the type of a separate genus. Within the limits of Phanicophaés 
T am also inclined to include Melias diardi, Less., and also Cuculus sumatranus, Raffles 
Fig. 5. 
Phenicophaés calorhynchus. Pheenicophaés curvirostris. 
Fig. 7. 
Yo 
Pheenicophaés erythrognathus. Phenicophaés pyrrhocephalus. 
CUCULINA. 
Evupynamis, Vigors & Horsfield. 
61. EvpyNamis MELANoRHYNCHA, S. Miiller, Verhandel. p. 176; Schlegel, Mus. Pays-Bas, 
Cuculi, p. 20; Walden, Ibis, 1869, p. 344. 
Hab. Kema, Tondano, Gorontalo (Forsten); Menado (mus. nostr.). 
Cacomantis, S. Miiller. 
62. CACOMANTIS LANCEOLATUS, S. Miiller, Verhandel. p. 178. 
Hab. Macassar (Wallace, mus. nostr.); Java (type). 
The synonymy of the species usually comprised in Cacomantis, 8. Miiller, is still so 
entangled, that a few general remarks on the Plaintive Cuckoos of the Indian and 
Australian regions are necessary to enable us to establish the identity of the Celebean 
member of the genus. 
