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87. Observations of Nebulae and Clusters of Stars. London, 1833. 



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8g. — . Observations of Biela's Cornet. London, 1832. in 4°. De la part 



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89. On the Satellites of Uranus. London, 1834. in 4°. De la part 



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9(h — On the astronômical causes which may influence geologicaî 

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91. On a case of superfîcial colour presented b'y a homogeneous 



liquid internalîy colourless. London, 1845. in 4°. De la part de l'auteur. 



92. — — On the Epipolic dispersion of light. London, 1845* in 4°. Dé j 

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93. — • — On certain motions produced in fluid conductors when trans- | 

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94. — — On the séparation of iron from other metals. London, 1821. ! 



' I 



in 4°. De la part de l'auteur. 



95. — — On certain improvements on photographie process; London^ 1 

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96. On the action of the Rays of the Solar Spectrum on vegetable J 



colours. London, 1842. in 4°. De la part de l'auteur. 



97. — — On the algebraic expression of the number of Partitions of j 

 which a given number is susceptible. London, 1850. in 4*. De la part 

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98. — — On Circulating functions. London, 1818. in 4°. De la part dé 

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99. On the Réduction of certain classes of Functional Equations 



to Equations of Finite Différences. Cambridge, 1820. in 4°. De la pari j 



de l'auteur. > 



100. — — On the Developement of Exponential Functions. London, 

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