27. psittacus. 377 



b. Tail loogei than half the length of the 

 wing. 

 a'. Tail square or rounded, about two thirds 

 of the length of the wing; bill rather 

 thick, swollen at the sides and without a 

 distinct notch on the upper mandible ; 

 peril iphthahnic region naked ; lores 



naked and thinly feathered 28. Cobacopsis, p. 380. 



b'. Tail scarcely rounded, nearly square, about 

 three fifths of the length of the wing ; 

 bill rather long, much longer than deep, 

 with no notch, and with the gonys much 

 slanting forwards ; the greater part of the 

 head naked 29. Dasyptilus, p. 385. 



27. PSITTACUS. 



1 ype. 



Psittacus, Linn. S. X i. p. 139 (1760) P. eritha us. 



Androglossa, 77c/. Zuul. Journ. ii. p. 400 (1625) ( = 



Psittacus, and.). 

 Rhodurus, Sundew. Meth. nut. Av. disp. Tent. p. 69 



(1872) P. erithacus. 



Mange. Confined to intertropical Africa from the West to Central 

 Africa. 



Key to the Species. 



a. Plumage ash-colour ; tail bright red erithacus, p. 377. 



b. Plumage dark grey ; tail dull dark red timneh, p. 380. 



1. Psittacus erithacus. 



Psittacus erithacus, Linn. Mas. Ad. Friedr. i. p. 14 (1754) ; id. 8. X, 

 i. p. 114. n. 24 (1766); Scop. Ann. I. Hist. Xat. p. 31, n. 30 

 (1769); Gm. S. X. i. p. 332, n. 24 (1788); Lath. Ind. Orn. i. 

 p. 109, n. 83 |17!X)>; Shaw, Gen. Zool. viii. 2, p. 486 (1811); 

 Beehst. Lath. Uebers. p. 90(1811); T'ieill. X. Diet, xxv. p.. -JOS 

 (1817) ; Kuhl, Cousp. Psitt. p. 83 (1820) ; Vieill. Ene. Meth. iii. 

 p. 1362 (1823) : Steph. Gen. Zool. xiv. 1, p. 107 (1826) ; Denh. $ 

 Clap]>. Near. Trav. A pp. p. 197 (1826) ; Voigt, Cue. Uebers. p. 739 

 (1831); Less. Tr. d'Oru. p. 197 (partim) (1831); Wagl. Man. 

 Psitt. p. 579 (1832) ; Owen, P. /.. s. 1832, p. 23 ; Hahn, Orn. At/., 

 Papag. p.88, t. 22 (1834) ; Selby, Nat. Lib,-.. Parrots, p. [06, pi. 10 

 (1836); Sic. class. B. ii. p. :;i)l (ls:}7): Harll. s,,<t. Verz. Gee. 

 Mus. p. 87 (1844); G. P. Gr. den. B. ii. p. 421, n. 1 (1846); 

 Schmidt, lit it r. z. Flor. d. Capverd. Ins. p. '■'•■'>: lip. Consp. 

 Av. i. p. 5(1850); HarU. Journ./. Or,,. 1854, p. 1<»;; ; Bp. JRev. 

 tt Ma;/, de Zool. 1854, p. 154, n. 208; Brehm, Mon. d. Pap. t. 66 

 (1855) ; Sund. ,h.an, f. Orn. 1855, p. 165 ; Souanc4 t Pre. tt May. 

 de Zool. 1856, p. 215; /,'/>. Xaumanuia. 1856, Consp. Psitt. n. 22J ; 

 Bolle, Journ. f. Or,,. [856, }.. 23; Hart!. Syst.Orn. U'.-Afr. 

 p. 166 (1857) : Crisp. /'. /.. .V 1S57, p. 215 ; G'. Ii. Or. List Psitt. 

 Brit Mis. p. 69 (1859); CW»p, V. /.. s. i860, p. 258; Harll. 

 .Imirn. f. Orn, 1861, p. 262; Fmsch, Xed. Tijdschr. Dierk, i. Berigt. 

 p. x\i | 1863} . Parker, /'. /. S. 1863, p, 516; Heugl, Journ./, Orn, 



