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£ 6 
INTERNATIONAL CATALOGUE OF SCIENTIFIC 
LITERATURE. 
FIFTEENTH ANNUAL ISSUE. 
Owing to the present condition of international affairs, 
the Royal Society of London has been unable to take any 
responsibility for the Fifteenth Annual Issue of the Inter- 
national Catalogue. 
The Zoological Society of London has prepared this 
volume on the lines of the Sixth to the Fourteenth Annual 
Issues of N. ZOOLOGY, and copies may be obtained at 
the following prices : — 
N. ZOOLOGY. 
International Catalogue Binding ... 
Zoological Record Binding... 
Paper Covers ... 
Thin Paper Edition 
£ s. d . 
2 0 0 
2 0 0 
1 19 0 
2 0 0 
[P.T.O. 
