Vlll v CONTENTS. 



Page 



Meteorological Observations made at the Garden of the Horti- 

 cultural Society at Chiswick, near London ; by Mr. Giddy at 

 Penzance, Dr. Burney at Gosport, and Mr.Veall at Boston. . 469 



Index 470 



PLATES. 



I. and II. Engravings illustrative of Dr. Prout's Paper on the Ultimate 

 Composition of Simple Alimentary Substances. 



III. An Engraving illustrative of Mr. Nixon's Paper on the Hills of the 



Penine Chain. i 



IV. An Engraving illustrative of Mr. John Phillips's Remarks on the 



Geology of the North Side of the Vale of Pickering, Yorkshire. 



V. An Engraving illustrative of Mr. Tredgold's Theory of the Resistance 



of Fluids. 



VI. An Engraving illustrative of Dr. Weber's Paper on Savart's Experi- 



ments on the Undulations of Sound. 



VII. An Engraving illustrative of Mr. R.Walker's Paper on the Artificial 



Production af Cold. 



Erratum. 



P. 363, line 10 from bottom :for " Irregular masses of siliceous matter that 

 have obviously invested, either wholly or partially, crystals of iron-ore. 

 Iron-pyrites, quartz or garnet, are of frequent occurrence" — read u Irre- 

 gular masses of siliceous matter that have obviously invested, either 

 wholly or partially, crystals of iron-ore, iron-pyrites, quartz \>r garnet, 

 are"&c. 



