Letters, Notes and Extracts. 371 
in the last number of the ‘ Journal fiir Ornithologie,’ was 
well attended. Many interesting subjects were discussed, 
amongst which were Herr Kollibay’s new book on the birds 
of Silesia (see above, p. 357), Krause’s ‘Oologia Univer- 
salis Paleearctica,? the work carried on at the bird-obser- 
vatory of Rossitten, and Dr. Merzbacher’s collection of 
birds from the Thian-shan, in Central Asia. On the 24th 
an excursion was made to the Trachenburger See, to view 
the water-birds there. Dr. R. Blasius was re-elected Presi- 
dent of the Society, and Dr. Reichenow General Secretary. 
The International Zoological Congress of 1907. —'The 
Seventh International Zoological Congress will be held at 
Boston, U.S.A., in August next, commencing August 19th. 
There will be a special Section (4) devoted to Ornithology, 
and we hope that some of our Members may be able to 
attend. 
Mr. Witmer Stone (Academy of Natural Sciences, Phila- 
delphia, U.S.A.), who is the Secretary of the Ornithological 
Section, writes to us on this subject as follows :— 
«Will you kindly publish in your next number that I 
shall be pleased to hear from any British ornithologists who 
contemplate attending the Seventh International Zoological 
Congress at Boston in August next, and to answer any 
inquiries or furnish any details relative to the meetings. 
“We are making every effort to have the meetings of 
the Ornithological Section thoroughly representative, and 
cordially invite all British ornithologists to attend. 
“Qpportunities will be offered of visiting the larger 
museums of the east, and everything will be done to make 
the visit a pleasant one.” 
Mr. C. H. B. Grant’s Collection of South African Birds.— 
By the generous assistance of Mr. C. D. Rudd, Mr. C. H. B. 
Grant, one of the taxidermists who made for Col. Sloggett 
the interesting collection of the birds of Deelfontein 
described by Dr. Bowdler Sharpe in this Journal (‘ Ibis,’ 
1904, pp. 1, 313), has been enabled to continue collecting 
mammals and birds in South Africa, under the direction of 
