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CATALOGUE OF SCIENTIFIC PAPERS, 
COMPILED BY THE ROYAL SOCIETY. 
Yol. 11 (1874-83). Pet-Zyb. Price 25s., clotb. 32s., half-morocco. 
The back volumes on sale as follows :—Yols. 1-6 (1800-63), cloth (vol. 1 in half morocco) £4 net; half¬ 
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A reduction of price to Fellows of the Royal Society, 
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Royal 4to, pp. ziv.—326, cloth. Price 21s. 
OBSERVATIONS OF THE INTERNATIONAL POLAR EXPEDITIONS. 
1882-1883. 
FORT RAE. 
With 32 Lithographic Folding Plates. 
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