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Show 620 MR. R. B. SHARPE ON THE CUCULIDAE [June 17, Of the above nineteen specimens, the first eleven are either in full or partial rufous dress ; the others are in the brown phase. The larger size of the latter, especially the Egyptian ones, is noticeable; and further information on this species is greatly to be desired. 2. CENTROPUS MONACHUS. Centropus monachus, Riipp. N . W . Vog. p. 57, Taf. 21. fig. 2 (1835); id. Syst. Uebers. p. 96 (1845); Des Murs in Lefebvre, Voy. Abyss. Zool. p. 137 (1847); Bp. Consp. i. p. 107 (1850); J. & E. Verr. Rev. et Mag. de Zool, 1855, p. 271 ; Heugl. Syst. Uebers. p. 48 (1856); Hartl. Orn. W . Afr. p. 187 (1857); Cass. Proc. Pbil. Acad. 1859, p. 142 ; Antin. Cat. descr. Ucc. p. 85 (1865) ; Bocage, Jorn. Lisb. ii. p. 348 (1869) ; Finsch, Tr. Z. S. vii. p. 284 (1870) ; id. et Hartl. Vog. Ostafr. p. 528 (1870) ; Blanf. Geol. & Zool. Abyss, p. 314 (1870) ; Heugl. Orn. N. O. Afr. p. 793 (1870); (Gray, Hand-1. B. ii. p. 213 (1870); Sharpe, Ibis, 1872, p. 68. .... ,. , Adult. Entire head and neck black, with a brilliant purplish-blue gloss, the shafts glossy black ; centre of the back and entire wings bright chestnut, the tips of the primaries and the inner secondaries olive-brown; rump dusky black, glossed with purplish blue; upper tail-coverts greenish ; tail brown with a dull greenish gloss'; undersurface of the body yellowish white, the flanks and abdomen inclining to ochre, the shafts rather distinct, especially on the throat ; under wing-coverts buff, the lower ones chestnut, like the inner face of the wing; bill and feet black; ins red. Total length 15*4 inches, culmen 1*25, wing 7*2, tail 9*3, t irsus 1" 9 • Hab. N. E. A F R I C A : Resident in Abyssinia to 9000 feet, very common on the Bahr-el-Abiad, found on the Atbara and tributaries, rare on the Blue Nile, Dender, and Rahad (Von Heuglin); Agula (Blanford). E. A F R I C A : Mosambique (Mus. Brit.). S. W . A F R I C A : Caconda (Anchieta). W . A F R I C A : Camma river (Du Chaillu) ; Aguapim (Ries) ; Accra (Haynes); Fantee (Ussher). 3. CENTROPUS SUPERCILIOSUS. Centropus superciliosus, Hempr. & Ehr. Symb. Phys. fol. r (1828); Riipp. N. W . Vog. p. 56, t. 21. fig. 1 (1835); id. Syst. Uebers. p. 96 (1845) ; Gray, Gen. B. ii. p. 455 (1846) ; Bp. Consp. i p 107 (1850) ; Bianc. Spec. Zool. Mosamb. p. 51 (1851) ; Heugl. Syst. Uebers. p. 48(1856); Gurney, Ibis, 1859, p. 247; Cab. & Heine, Mus. Hein. Th. iv. p. 106 (1862) ; Brehm, Reis. Habesch, p 367 (1863) ; Antin. Cat. descr. Ucc. p. 86 (1865) ; Mont. P. Z. S. 1865, p. 91; Hartl. P. Z. S. 1867, p. 826 ; Layard, B. S. Afr. p 246(1867); Cab. in Von der Decken, Reis. iii. Vog. p. 39(1869); Bocage, Jorn. Lisb. ii. pp. 326, 337 (1869) ; Blanf. Geol. & Zool. |