382 Letters, Extracts, Announcements, &c. 
Salvadori’s Papuan Ornithology*.—The first part of this 
large work has been lately published, and can be obtained 
from the author, or through any bookseller, at the price of 
40 francs. 
The heavy expense necessary for the publication of the 
second part, now ready for printing, obliges the author to 
ask the assistance of his brother ornithologists. All those 
who wish to have the second part (which, it is hoped, will be 
followed soon by the third and last part) are requested to 
send their names to the author, Zoological Museum, Turin. 
One hundred subscribers will be necessary to enable the 
work to be proceeded with. 
The second part, which will contain the Passeres, repre- 
sented by nearly 500 species, will form a volume of about 
640 pages, printed with the same type and paper as the first. 
Price 40 francs; payment on delivery. 
If it is found convenient, the second part will be published 
in four numbers, at the price of 10 franes each. 
Phylloscopus plumbeitarsus, Swinhoe.—In his very inter- 
esting paper on Afghanistan ornithology (anted, p. 59), Lieut. 
R. G. Wardlaw Ramsay repeats Mr. Seebohm’s mistake that 
the above-named bird is identical with Phylloscopus viridanus, 
Blyth. 
The two birds are utterly distinct. They differ as fol- 
lows :— 
1. P. plumbeitarsus has two wing-bars ; P. viridanus 
always only one. 
2. The wing-bar of P. plumbeitarsus is abruptly separated 
from the adjoming greenish colour, while that of P. viridanus 
is shaded off into the adjacent olive-green. I regard this 
invariable distinction as quite conclusive. 
3. P. viridanus is a much larger bird, as a rule, with some- 
times half an inch longer wing! 'This is conclusive. The tail 
is also considerably longer. 
* ‘Ornitologia della Papuasia e delle Molucche’ di Tommaso Salva- 
dori, Socio residente della R. Accademia delle Scienze di Torino. 
