of the Ethiopian Region. 215 



a. pileo aureo, 



a', rectiicibus externis ad basin nigris, 



a", tectricibus alarum nigris 1. galbula. 



h". tectricibus alarum nigris, late flavo mar- 



ginatis 2. auratus. 



U. rectricibus externis omnino aureis 3. notatus. 



b. pileo uigro, 



a', speculo alaii albo, 



a", rectricibus externis omnino flavis 4. monacha, 



h". rectricibus externis ad basin nigris, 



a'", rostro robustissimo 5. crassirostris. 



h". rostro gracili, 

 a"", major: supra Isete olivascenti-aureus 6. larvatus, 

 b"". conspicue minor : supra satm'ate oli- 



vaceus 7. brachyrhynchus. 



b'. speculo alari albo nuUo 8. nigripennis. 



1. Okiolus galbula. 



O dolus galbula, Linn,: Riipp. Syst. Ubers. p. 61 (1845): 

 Hartl. Orn. Westafr. p. 80 (1857) : Heugl. Ibis, 1859, p. 341 ; 

 Peterm. Geograph. Mittheil. 1861, p. 23 ; J. f. 0. 1861, p. 163 ; 

 Orn. N.-O. Afr. i. p. 400 : Hartl. Faun. Madag. p. 43 (1861) : 

 Gurney, Ibis, 1865, p. 268 : Schl. Mus. P.-B. Coraces, p. 99 

 (1867): Layard, B. S. Afr. p. 135. (1867): Heugl. J. f. O. 

 1868, p. 323 : Chapman, Trav. S. Africa, ii. p. 397 (1868) : 

 Gray, Hand-1. B. p. 291 (1869). 



0. pileo aureo : rectricibus externis ad basin nigris : tectricibus 

 alarum nigris. 



Hab. in Europa, et in tota regione iEthiopica. 



Adult male. Above rich golden-yellow : wing-coverts black, 

 the cubital coverts with a narrow tip of yellow ; primary coverts 

 black, broadly edged with yellow, forming a conspicuous spot ; 

 quills black, lighter underneath, the secondaries edged towards 

 the tip with yellowish-white ; tail black, the middle feathers 

 entirely of this colour, with a spot of yellow at the tip, all the 

 other feathers black at the base, yellow towards the tip, the 

 outer feathers having more yellow than black ; a spot between 

 the base of the bill and the eye black ; entire under surface 

 golden-yellow ; bill reddish-brown ; feet black. Total length 

 9 inches, of bill from front 1, from gape 2'2, wing 5*9, tail 3*1, 

 tarsus "8, middle toe '7, hind toe '4. 



