CONTENTS. 



XXXIII. Illustration of Mr. D Alton's Theory of the Con- 

 stitution of mixed Gases. By Mr. William Henry 

 of Manchester , 1 y3 



XXXjy. Area of the several Counties of England and 

 Wales, in scjua/e Statute Miles and Acres , as ?neasured on 

 the Maps in C. Smith's « New English Atlas, 1804/' 

 the Scale given on each. Map having been examined, and 

 , Correction applied to such of the Scales as wercfoundito be 

 erroneous. The Population of each County is annexed, and 

 the Number of Persons to each square Mile 19f 



XXXV. Notice respecting New Books 200 



XXXVI. Proceedings of Learned Societies 202 



XXXVI L Intelligence and Miscellaneous Articles .... 208 

 XXXVII L> On the Mensuration of Timber. By Mr. 



John Farey sis 



XXXIX. Parallel of Rome de L'Isle's and the Abbe 

 Hauy's Theories of Crystallography 222 



XL. On the Catoptrical and Dioptrical Instruments of the 

 Autients 232 



XLI. Sixteenth Communication from Dr. Thornton, 

 rekitive to Pneumatic Medicine 247 



XLH. Dr. Thornton's Third Liter to Mr. Arthur 

 AiKixV, Editor of the Annual Review 248 



XLI1L Method of preparing the Chinese Soy, by M. de 

 Gritbbens : extracted from the Memoirs cf the Academy 

 of Sciences at Stockholm for 1803, first. Quarter, by 

 M. Lindbom, Captain of the Swedish Mines 260 



XI, IV. Memoir on some rare Fossils of Vestena Nova, in 

 the Veronais, not yet described, which were given to the 

 Museum of Natural History at Paris by M. de Gazola. 

 By Faujas-Saint-Foxd 263 



XLV. Memoir respecting the State of Vegetation on high 

 Mountains, Read in the National Institute, June 1S04 



268 



XLVI. New Method of preparing in a speedy Manner 

 Nitrous Ether, without the Application of external Heat. 

 By Brugn atelli 274 



XLVI I. Experiments to ascertain whether there exists any 

 Affinity betwixt Carbon and, Clay, Lime and Silex, se- 

 parately or as Compounds united with the Oxide of Iron 

 forming Iron Ores and Iron Stones. By David Mushet, 

 Esq, of the Colder Iron- PI or ks 275 



XLV 1 1 1. Notices respecting New Books 282 



XLIX. Proceedings of Learned and Economical Societies 



283 



l* f Zfiscellaneous Correspondence , 294 



LI. In- 



