298 Mr. P. L. Sclater on the Genus Hylophilus. 



In the present bird the yellowish olive colour of the back 

 is continued on the sides of the head and fronts leaving only 

 the top of the head and nape cinereous. In the " Bogota " 

 skin (No. 5) even the cinereous head has a decided wash of 

 olive over it ; but I do not consider it distinct. 



List of Specimens examined. 



. Cayenne^ Mus. P. L. S. 



2. Guiana (Brown), Mus. P. L. S. 



3, 4. Bartica Grove^ Guiana [Whitely], Mus. S.-G. 

 5. Int. of Columbia^ Mus. S.-G. 



2. HVLOPHILUS PECTORALIS. 



Hylophilus pectoralis, Sclater, P. Z. S. 1866, p. 331 ; Pelz. 

 Orn. Bras. p. 70 ; Scl. et Salv. Nomencl. p. 12. 



Sylvia thoracica, Max. Beitr. iii. p. 717 (1831) (?). 

 Flavicanti-olivaceus, capite cinereo ; subtus albus, pectore 

 hypochondriis et subalaribus limonaceo-flavis ; alis cau- 

 daque fuscis oliv^aceo marginatis; rostro pallide corneo, 

 pedibus dilute corylinis : long, tota 4"3, alse 2'3, caudse 

 1"9, tarsi •7. 

 Hab. Brasil. int. 

 Mus. P. L. S. 



Obs. Similis prsecedenti, sed capite toto cinereo distin- 

 guenda. 



Of this species I have only been able to examine the ori- 

 ginal typical specimen in my collection, obtained in Mato- 

 grosso by Natterer in 1826. I suppose that all his Southern- 

 Brazilian specimens will be found to belong to this form, 

 while those from the Amazons and Rio Negro will belong to 

 H. thoracicus. 



^ 3. Hylophilus decurtatus, 



Sylvicola decurtata, Bp. P. Z. S. 1837, p. 118. 



Pachysylvia decurtata, Bp. Consj). 1850, p. 309. 



Hylophilus cinereiceps, Scl. et Salv. P. Z. S. 1860, p. 299, 

 1864, p. 348; Ibis, 1860, p. 397, 1869, p. 313; Scl. Cat! 

 A. B. p. 44. 



