CONTENTS or VOL. XXXV. — THIRD SERIES. V 



Page 



M. Weber's Examination of the Ash of Wheat and Wheat- 

 straw 1^2 



M. Weber's Analysis of the Ash of the Blood of the Ox. ... 185 



The Rev. B. Bronwin on the Theory of the Tides 187 



Dr. A. Voelcker on the Chemical Composition of the Fluid in 



the Ascidia of Nepenthes 192 



Sir W. R. Hamilton on Quaternions ; or on a New System of 



Imaginaries in Algebra {continued) 200 



Dr. Schunck on Colouring Matters 204 



Notices respecting New Books : — Dr. Thompson's Introduction 



to Meteorology 225 . 



Proceedings of the Cambridge Philosophical Society 228 



Royal Society 231 



Experiments on the Nitrogenous Compounds of the Benzoic 



Series, by G. Chancel 236 



On the Composition of Stearic Acid, by MM. Laurent and Ger- 



hardt '. 237 



Meteorological Observations for July 1849 239 



Table 240 



NUMBER CCXXXVI.— OCTOBER. 



The Rev. J. Challis on the Views of the Astronomer Royal 

 respecting the Modification of Sounds bj'^ Distance of Propa- 

 gation 241 



Mr. B. C. Brodie's Investigation on the Chemical Nature of 



Wax 244 



The Rev. B. Bronwin on the Theory of the Tides {continued) . . 264 

 Prof. H. Rose on the Inorganic Constituents of Organic Bodies 



{concluded) 271 



M. Weber's Examination of the Inorganic Constituents of 



the Flesh of the Horse 271 



M. Fleitmann's Analysis of the Ashes of Human Faeces 



and Urine 273 



M. Weidenbusch's Examination of the Inorganic Consti- 

 tuents of the Bile (of Oxen) 278 



M. Weber's Examination of the Inorganic Constituents of 



Cow's Milk 279 



M. Poleck's Examination of the Inorganic Constituents of 



the White and Yolk of Hen's Eggs 281 



Mr. B. W. Bull on the Inorganic Constituents of Yeast 



(from Berlin Pale Beer) 286 



Prof. BufTs Notice respecting Du Bois Reymond's Discovery 

 of the Development of Electricity by Muscular Contraction 288 



M. Matteucci's Observations on the Voltaic Arc 289 



Notices respecting New Books : — Mr. John Ainslie's Treatise 

 on Land Surveying 293 



