11 CONTENTS. 



Page 

 XV. On the supposed changes in the Meteorol<^cal Constitution of the 

 different parts of the Earth during the Historical Period. By M. 

 ScHow, Professor of Botany in the University of Copenhagen, - 311 

 XVI. Experiments on the Absorption of Vapours by Liquids. By Thomas ' 

 Grahau, a. M. Commvmicated by the Author, . - - < 326 



XVII. Chemical Examination of Tabasheer. By Edwabd Tuener, M. D. 

 F. IL S. E. Professor of Chemistry in the University of London. Com- 

 mxmicated by the Author, - - -, 335 



XVIII. ZOOLOGICAL COLLECTIONS, - ^ - 338 



1. Bears of India, - - - - ib. 



2. On the Crocodiles of the Ganges. By C. Abel, M. D., F. R. S., 339 



3. Account of the White Elephants of Siam. By George Finlay- 

 soN^, Esq., - ... 342 



4. Account of a Fight between a Tiger and an Elephant. By George 

 FiNLAYSON, Esq., - - - 342 



XIX. HISTORY OF MECHANICAL INVENTIONS AND OF PRO- 

 CESSES AND MATERIALS USED IN THE FINE AND 

 USEFUL ARTS, - - - - 343 



1 . Account of the Makleua, a Siamese Black Dye. By Captain Bur- 

 NEY, - - - - ib. 



2. Account of a new kind of Cloth fabricated by Insects, - ib. 



3. Radii of the surfaces of a Double Achromatic Object-Glass. By M. 

 LiTTRow, - - - - 344 



4 Exhibition of the National Industry of France, - - ib, 



XX. ANALYSIS OF SCIENTIFIC BOOKS AND MEMOIRS, 34C 



1. A new System of Chemical Philosophy. Part First of Vol. ii. By 

 John D alt on, F. R. S. &c. - - - ib. 



2. A History of British Animals, exhibiting the Descriptive Characters 

 and Systematical arrangement of the genera and species of Quadru- 

 peds, Birds, Reptiles, Fishes, Mollusca, and Radiata, of the United 

 Kingdom ; including the indigenous, extirpated, and extinct kinds, 

 together with periodical and occasional visitants. By John Flem- 

 ing, D. D. F. R. S.E. &c - - - - 355 



XXI. PROCEEDINGS OF SOCIETIES, - - 359 



1. Royal Society of Edinburgh, - - - ib. 



2. Proceedings of the Society for Promoting the Useful Arts in Scot- 

 land, - - - - 360 



XXII. SCIENTIFIC INTELLIGENCE, - - 361 



I. natural philosophy. 



Astronomy.— 1. Eclipses of Jupiter's Satellites observed at Wilna. By M. 



Slawinski. 2. Occultations of Stars observed at Wilna. By M. Sla- 



wivsKi. 3. Occultation of Saturnobserved at Wilna. By M. Slawinski. 



4. Occultation of the small star of tho double star of fi Scorpii, observed by 



•N 



