CONTENTS. 



2. Supplement to the Introduction to the Atomic Theory, 



comprehending a sketch of certain opinions and disco- 

 . veries bearing upon the General Principles of Chemi- 

 cal Philosophy, which have been brought into notice 

 since the publication of that work. By C. Daubeny, 

 M. D., Professor of Chemistry and Botany. 8vo, 

 pp. 62. Oxford. Murray, London, and Parker, Ox- 

 ford. 1840, .... 200 



3. A Manual of the Land and Fresh-Water Shells of the 



British Islands, with Figures of each of the kinds. 

 By Wm. Turton, M. D. A new edition, revised and 

 enlarged by J. G. Gray, F.II.S. London, Longman 

 jmd Co. 8vo, pp. 310, . . 200 



4. The Genera of Birds, with an Indication of the Typical 



Species of each Genus. By G. R. Gray, Ornitholo- 

 gical Assistant British Museum. London, R. & J. 

 G. Taylor. 8vo, pp. 80, . . 200 



5. An Introduction to the Modem Classification of Insects, 



founded on the Natural Habits, and corresponding Or- 

 ganization of the difierent Families. By J. O West- 

 wood, F.L.S. &c. &c. London, Longman & Co., 200 



6. Journal of the Asiatic Society of Bengal. Edited by the 



Acting Secretaries. Year 1839. . . -201 



XXX. List of Patents granted in Scotland from 18th 



March to 18th June 1840. . . 201 



ERRATUM in Mr Connell's paper on Greenockite. 

 Vol. xxviii. p. 393, line 10, /or removed r^c^ renewed. 



