144 OLIVE TBEE WABBLEB. 



yellowisli tint, the sides greyish; under tail coverts whitish; eyebrows 

 white; iris nut brown; feet lead grey, with horn-coloured claws. 

 Tarsi furnished in front with nine very distinct plates, of which the 

 third, fourth, and fifth are largest, though the length of each does 

 not exceed two lines." — Schlegel. 



The young before the first moult, which occurs after they leave 

 Europe, are strikingly like the young of S. nisoria and S. orphea, but 

 they may be readily distinguished — in addition to the already noticed 

 characters of the formation of the beak — from S. nisoria, by the uni- 

 form olive grey tint of the upper part of the body, which in the 

 latter bird is clear grey, and on the back slate-coloured. The second 

 and third primaries of S. nisoria are also of almost equal length, but 

 in S. olivetorum the third is considerably longer than the second. 

 From S. orphea they may be distinguished by the under tail coverts 

 and belly in S. orphea being tinted with rust yellow, while in the 

 young of S. olivetorum the tint is greyish. 



This bird has been figured by Gould, B. of E.; by Count Miihle, 

 in his Monographic der Europaischen Sylvien; and by Mr. Dresser 

 in his Birds of EurojDc, but the bird appears to the eye too large. 



The eo^^ is figured from a specimen in my own collection, and was 

 taken in Greece by Dr. Kriijjer. 



