42 
BULLETINS DES SÉANCES. 
saturday , november 30, 1833, by His Royal Highness the duke of Sussex . 
K. G ., etc., etc. the president. In-4°; 
3. Felloics of the society. 1833-1834. ïn-4°; 
4. Proceedings of the royal society. 1832-1833. N 05 13 et 14. ln-8°. 
5. Observations of the tides. Communicated to the royal society by the 
admiralty, and printed by order of the president and council. In-8 U ; 
f>. Observations of nebulæ and clusters of stars mode at slough , with a 
twenty- feet reflector , between the years 1825 and 1833. By sir J. F. TV. 
Herschel, etc. In-4° ; 
7. On the absortion of light by coloured media, viewed in connexion with 
the undulatory theory. By sir J. F. JF. Herschel. In-8° ; 
8. On the reflex function of the medulla oblongata and medulla spinalis. 
By Marshall Hall, etc. In-4°; 
9. On improvements in the instruments and methods employed in deter- 
mining the direction and intensity of the terrestrial magnetic force. By 
S. Hunter Christie , etc. In-4°. 
M. Dumortier présente : 1° de la part de M. Idesbald Le Maistre d Anstaing, de 
Tournai, son mémoire couronné sur la situation des idées philosophiques au 
XIX e siècle. In-8°; 
2° De la part de M. S. Decaisne, de Bruxelles, résidant à Paris, sa Monogra¬ 
phie des genres Balbisia et Bob ins onia , de la famille des composées. In-8 i : 
3° De la part de M. le docteur Bowring, huit ouvrages de sa composition. 
De la part de la société royale d’agriculture et de botanique de Gand : Fête 
jubilaire, salon d'hiver. 1834. 50 e exposition publique au palais de l univer¬ 
sité , du 15 au 20 mars 1834. In-8°. 
