224 PSITTACID^ PCEOCEPHALUS 



genus have been described ; they are confined to the Ethiopian 

 region and five out of the fourteen are South African. 



Key of the Species. 



A. Kump green. 



a. Larger, wing more than 8*0 ; edge of wing 



vermilion. 



a 1 . Head and neck olive-yellow P. robustus, p. 224. 



b 1 . Head and neck silvery-grey P. fuscicollis, p. 226. 



b. Smaller, wing about 6'0 ; edge of wing green 



like the upper surface P. fuscicapillus, p. 226. 



B. Bump blue. 



a. Breast greenish-blue contrasting with the 



throat, usually a yellow band across the 



crown P. meyeri, p. 228. 



b. Breast slaty-brown like the throat P. rueppelli, , p. 229. 



C. Bump smoky-brown like the rest of the upper 



surface P. rueppelli, <?,p. 229. 



J ~\~ Cllf^t*, 3*1*/$ Ct^Jjt. 



484. Pceocephalus robustus. Levaillant's Parrot. 



Psittacus robustus, Gmel Syst. Nat. i, p. 344 (1788) ; Sharpe, ed. 

 Layards B. S. Afr. p 194 (1876) ; Holub fr Pelzeln, Orn. Siid- 

 Afr. p. 160 (1882) ; Shelley, Ibis, 1882, p. 249 [Mashonaland] . 



Psittacus levaillanti, Lath. Syn. Suppl. p. xxii (1802) ; Layard, B. S. 

 Afr. p. 230 (1867). 



Le Perroquet arranges sourci, Levaill. Perroq. ii, p. 91, pis. 130-1 (1805). 



Pionus robustus, P. L. Sclater, P. Z. S. 1866, p. 22 [Cathcart]. 



Pionias robustus, Finsch, Papag. ii, p. 475 (1868). 



Posocephalus robustus, Gurney, Ibis, 1873, p. 255 [Natal] ; Salvad. 

 Cat. B. M. xx, p. 363 (1891) ; Shelley, B. Afr. i, p. 138 (1896) ; Wood- 

 ward Bros. Natal Birds, p. 125 (1899). 



" Isikweyiya " of Amaxosa (Stanford). " Isikwenene " of the Zulus 

 (Woodward). 



Description. Adult. Head and neck all round olive-yellow with 

 brown centres to some of the feathers especially on the forehead, 

 and a reddish tinge on the chin ; the forehead sometimes red 

 sometimes like the rest of the crown ; lores black ; mantle, 

 scapulars, wings and tail dusky-black. Some of the feathers 

 especially of the mantle and wing- coverts edged and tipped with 

 dull green ; band round edge of the wing and lower tibial plumes 

 vermilion ; rump and upper tail-coverts, lower breast, abdomen, and 

 under tail-coverts bright grass-green ; upper under wing-coverts dark 

 green, lower slaty. 



