618 mr. r. d. sharpe on the cuculidjE [June 17, 



Straight-heeled Cuckow, Lath. /. c. p. 525 (1/82). 



Cuculus cegyptius, Gm. S. N. i. p. 420 (1788, ex Lath.) ; Wal- 

 den, Ibis, 1869, p. 337. 



Le Coucal houhou male, Levaill. Ois. d'Afr. v. p. 72, pi. 219 

 (1806) ; Sundev. Crit. om Levaill. p. 48 (1858). 



Centropus cegyptius, Audouin, Expl. somm. PI. d'Ois. Savign. 

 p. 334, pi. iv. fig. 1 (1810); Cab. & Heine, Mus. Hein. Th. iv. 

 p. 104 (1862, pt.) ; Gray, Hand-1. B. ii. p. 212 (1870); Shelley, 

 Ibis, 1871, p. 50; id. 13. of Egypt, p. 164, pi. vi. (1872). 



Polophilus cegyptius, Steph. Gen. Zool. ix. pt. 1, p. 54 (1815). 



Centropus senegalensis, Kuhl & Swind., Buff. & Daub., Fig. Av. 

 Nom.syst. p. 6, no. 332 (1820) ; Less. Traite, p. 137(1831); Riipp. 

 N.W. Vog. p. 55 (1835-40) ; Sw. B. W. Afr. ii. p. 185, pi. xx(1857); 

 Gray, Gen. B.ii. p. 455(1846); Bp. Consp. i. p. 106 (1850) ; Scl. 

 Contr. Orn. 1852, p. 126; Hartl. Orn. W. Afr. p. 187(1857); 

 Taylor, Ibis, 1859, p. 49 ; Gurney, I. c. p. 153; Cab. & Heine, Mus. 

 Hein. Tb. iv. p. 105 (1862); Kirk, Ibis, 1864, p. 326 ; Sperling, 

 Ibis, 1868, p. 290; Sharpe, Ibis, 1869, p. 193; Grav, Handl. B. 

 ii. p. 212 (1870) ; Heugl. Orn. N. O. Afr. p. 796 (1870); Finsch 

 & Hartl. Vog. Ostafr. p. 526 (1870); Ayres, Ibis, 1871, p. 261 ; 

 Sharpe, Cat. Afr. B. p. 14(1871); Gurney, in Anderss. B. Dam. 

 Ld. p. 224 (1872) ; Shelley & Buckley, Ibis, 1872, p. 286. 



Corydonix pyrrholeucus,\ieil\. & Oud. Gal. Ois. i. pt. 2, p. 4 1 ( 1 825). 



Corydonix senegalensis, iid. ut supra, pi. xlvi. (1825). 



Centropus burchelli, Sw. An. in Menag. p. 321 (c. 1837) ; Grav, 

 Gen. B. ii. p. 455 (1846); Cab. & Heine, Mus. Hein. Th.ii. p. 105 

 (1862) ; Sundev. Crit. om Levaill. p. 48 (1858); Layard, B. S. 

 Afr. p. 246 (1867); Gray, Hand-L B. ii. p. 213 (1870). 



Centropus houhou, Dubois, Orn. Gal. p. 17, pi. 12(1839). 



Centropus capensis, Verr. in Bp. Consp. Vol. Zyg. p. 5 (1854). 



Centropus monachus (pt.), Schl. Mus. P.-B., Cuculi, p. 72 (1864). 



Head dull black, with a greenish tinge when viewed from the 

 light, the shafts glossy black ; interscapulary region, scapulars, and 

 wing-coverts dull brownish rufous, the shafts glossy chestnut, greater 

 coverts and quills bright rufous, with dusky tips, the inner secon- 

 daries dull-brownish rufous with an olivaceous gloss ; lower back 

 and rump dusky, minutely barred with dull ochre ; upper tail- 

 coverts and tail dull greenish, inclining to oily green, the former 

 generally with obsolete bars of ochre ; feathers under the eye and 

 ear-coverts black, like the head ; entire sides of face and neck, as 

 well as the under surface of body, more or less deep ochre inclining 

 to white on the centre of abdomen, the shafts glossy fulvous, espe- 

 cially distinct on the throat and sides of neck, the flanks with re- 

 mains of dusky cross bars ; under wing-coverts pale buff, inner sur- 

 face of wing dull rufous ; bill and feet black. 



Young. More dingy above and paler below than the adult ; head 

 dull brownish ; upper surface barred across with dusky black, with 

 remains of dusky bars on the sides of the breast and flanks ; upper 

 tail-coverts and tail barred more or less distinctly with pale ochre ; 

 beak horn-brown, the lower mandible yellowish. 



