EXCHANGES AND PRESENTATIONS. 
RUSSIA. 
—la Société Imperiale des Satictalintet: Nos. 1, 2. . 
—L’Académie Imperiale des Sciences. Nos. 1, 2, 3. 
SWEDEN. 
—*Kongliga Svenska rk Nos. 1, 2, 3. 
The University. Nos 
SWITZERLAND. Shon 
‘Gensva,—Insitat National Genevoie. Nos. 1, 2, 3. 
42s e.—* Société Vaudoise des Sciences ititetien Nos. 1, 2, 3. : 
Neuchatel,—*Societe des Sciences Naturelles. Nos. 1, 2, 3. 
Number of Publications sent to Great Britain 163 
pp Colonies (including India) bs 
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99 ” nest lee fechiond wee — 
” ae Editors of Periodicals ... 7 
O97 ”> Asia (Japan) wee oe oon ae ; 
A. LIVERSIDGE, 
‘A. LEIBIUS, 2 Hon. Secretaries. 
