( . SYLV1ELI.A. 



153 



with diill white tips; under wing-coverts and axillaries white, 

 washed with yellow, the edge of the wing a little brighter yellow ; 

 quills brown below, whitish along the edge of the inner web. 

 Total length 4-5 inches, culmen 0-65, wing 'Z, tail 1-7, tarsus 0-65. 

 Hah. Betsileo, Madagascar. 



a. Ad. sk. Betsileo. Rev. W. Deans Cowan [C.]. 



(Type of species.) 

 h. Ad. sk. Ankafana forest. Rev. W. Deans Cowan [C.]. 



7. SYLVIELLA. ^^p^ 



Sylvietta, Lafr. Eev. Zool. 18.39, p. 258 S. micrura. 



Oligiira, ItH2>2i. Syst. Uebers. p. 5(5 (1845, wee Hvdys.) S. micrura. 



Oligocercus, Cab. J.f. O. 1853, p. 109 .^ S. micrura. 



Sylviella, Sunder. Krit. Framst., Levaill. p. 39 (1857, 



nom. emend.) S. rufescens. 



Bffiocerca, Heine, J.f. O. 18-59, p. 426 S. virens. 



Range. Africa. 



Keif to the Species. 



a. Upper surface ashy grey. 



a'. Head ashy grey like the back ; quills externally 

 edged with gi-eyish brown or ashy giey. 



a". Much larger : culmen 06 inch rufescens, p. 15-3. 



b". Much smaller: culmen 0-45 inch micrura, p. 154. 



b'. Head chestnut, as also the ear-coverts ; belly 

 white ; quills externally edged with olive- 

 yellowish '. ruficapilla, p. 156. 



h. Upper surface dull olive-gi-een, the head dusky 

 brown, somewhat contrasting with back .... 



c'. Abdomen and breast white virens, p. 156 



d'. Abdomen and breast yellow faviventris, p. 157. 



1. Sylviella rufescens. 



Le Crombec, Leiaill. Ois. d'Afr. iii. pi. 135 (18G2) ; Sundev. Krit. 



Framst., Levaill. p. .39 (1867). 

 Dica;um rufescens, Tieill. N. Diet. d'Hist. Nat. ix. p. 407 (1817) ; 



Bonn, et Vieill. Ent. Meth. ii. p. 609 (1823) ; Layard, B. S. Afr. 



p. 84 (1867). 

 Sylvietta crombec, Lafr. Rev. Zool. 1839, p. 258. 

 01ig\u-a meridionalis, Bp. Vonsp. i. p. 257 (1850). 

 OUgura rufescens. Cab. Mus. Hein. Th. i. p. 44 (1850). 

 Sylvietta brachyura {non Lafr.), Strickl. ^- Hcl. Contr. Orn. 1852, 



p. 148. 

 Oligocercus rufescens, Cab. J.f. O. 1853, p. 109; Heuyl. Orn. A.O.- 



Afr. i. p. 236 (1869, pt.); Finsch ^- Hai-tl. I'oy. Ostafr. p. 227 

 (1870, pt.) ; Bocaye, Jorn. Lisb. 1876, pp. 252, 2(i2. 

 Sylviella rufescens, ."Sundev. Krit. Framst., Lciaill. p. 39 (1857) ; 



'Grill, ZwL Antevkn. p. 31 (1850). 



