25. HYLorHiLus. ;3l;') 



17. Hylophilus olivaceus. 



Hylophilus olivaceus, Tschudi, Arch. f. Naturgesch. 1844, p. 284; id. 

 Faun. Peruan. pp. 2^, 195 ; Scl. Ibis, 1881, p. 310. 



All the upper parts uniform olive, passing into olive-yellovr on the 

 forehead ; wings and tail brown, externally strongly vrashed with 

 olive ; sides of head pale brownish yellow ; chin whitish ; all the 

 rest of the underparts uniform yellow tinged with olive ; under 

 surface of rectriccs yellowish, shafts white ; inner margin of remiges 

 and under wing-coverts and under tail-coverts bright yellow ; " bill 

 rosy ; feet flesh-colour ; iris fuscous " (Tachudi), "iris ochraceous " 

 (Stolzmciun). Culmen 0"6 inch, wing 2-4, tail 2, tarsus 0'75. 



Nab. Eastern Peru. 



The above description is taken from an adult male in ilr. Sclater's 

 collection, obtained by Stolzmann at Huambo, February 1880. 



The following specimens are undeterminable from the descrip- 

 tions : — 



(18) Sylvia flaveola, Prim Max. Beitrcige, iii. p. 719. 



Hylophilus flaveolus, Biirmeist. Si/st. Uebers. iii. p. 110; Baird, Per. 

 Am. B. i. p. 375; Scl. Ibis, 1881, p. 310 (note). 



Upper parts pale greyish brown, reddish brown on the back ; 

 lower back ochraceous ; wings and tail rusty brown : throat whitish ; 

 all the underparts ochraceous (reddish yellow), darker and more 

 vividl}' coloured towards the under tail-coverts. 



Hah. Bahia {Prinz Max.). 



(19) HrLOPniLUS frontalis, Tschudi, Wier/m. Arch. f. Natunj. 

 1844, p. 284 ; id. Faun. Peruan. pp. 28, 194, pi. xiii. fig". 4. 



" H. supra vircscens, fronte helvola ; tectricibus alarum supe- 

 rioribus dorso concoloribus, inferioribus olivaccis ; remigibus nigro- 

 fuscis pogouio externo olivaceo, iuterno albicauti marginatis ; rec- 

 tricibus brunneis ; subtus ex viridi flavescens, gula latiore ; pectore 

 crissoque subrufis ; rostro fusco ; pedibus cseruleis ; iride bruunea. 

 Long. tot. 6" 3'". Hah. East Peru." (Tschudi.) 



20. LALETES. rr 



Type. 



Laletes, Scl. Proc. Zool. Soc. 18()1, p. 72 L. osburni. 



The single species constitutiug this genus is intermediate between 

 Vireo and Vireolanius, resembling the former in colour, the latter 

 in structure. First primary present. Length of wing ^bout 

 3 inches. 



Ma^ufe. Jamaica. 



1. Laletes osburni. 



Liiletes osburni, Scl. P. Z. S. IbOl, p. 72; id. ^- Salv. Xumencl. p. 12. 



All the upper parts uniform dull greyish olive ; wings and tail 

 brown, narrowly edged with the colour of the back ; sides of head 



