xvii 



Sequel to a Paper on the reduction of the Thermometrical Observa- 

 tions made at the Apartments of the Royal Society, with an Ap- 

 pendix. By James Glaisher, Esq. F.R.S fage 925 



On tlie Communications between the Tympanum and Palate in the 

 Crocodilian Reptiles. By Richard Owen, Esq. F.R.S. &c 927 



On the application of Carbon deposited in Gas Retorts as the negative 

 plate in the Nitric Acid Voltaic Battery. By Christopher Leefe 

 Dresser, Esq 928 



Experimental Researches in Electricity. — Twenty-third Series. § 29. 

 On the Polar or other condition of Diamagnetic Bodies. By Michael 

 Farada)-, Esq. F.R.S. &c * 929 



Contributions to the Chemistry of the Urine. — Paper IV. On so- 

 called Chylous Urine. By H. Bence Jones, M.D. A.M. F.R.S. &c. 930 



Letter from Mr. Richardson to Viscount Palmerston on the fall of 

 aerolites at Tunis 932 



Discussion of Meteorological Observations taken in India at various 

 heights. By Lieut. -Colonel Sykes, F.R.S. &c 933 



On the Structure and Use of the Ligamentum rotundum Uteri, with 

 some observations upon the change which takes place in the struc- 

 ture of the Uterus during Utero-gestation. By G. Rainey, Esq. 

 M.R.C.S.E., Demonstrator of Anatomy, St. Thomas's Hospital ... 936 



On the Solution of Linear Differential Equations. By the Rev. Brice 



Bronwin, M.A 937 



On the Oils produced by the action of Sulphuric Acid upon various 

 classes of Vegetables. By John Stenhouse, Esq. F.R.S 939 



On the Temperature of Steam and its corresponding Pressure, By 

 John Curr, Esq 941 



On the means adopted in the British Colonial Magnetic Observatories 

 for determining the absolute values, secular change, and annular 

 variation of the Magnetic Force. By Lieut.-Col. Edward Sabine, 

 R.A. For. Sec. R.S 942 



On the Meteorology of England during the years 1847, 1848 and 1849. 

 By James Glaisher, Esq. F.R.S 945 



On the Temperature of Man within the Tropics. By John Davy, 

 M.D. F.R.S. &c 946 



On the Geographical Distribution of the Bulimi, a group of terrestrial 

 Mollusca ; and on the modification of their calcifying functions ac- 

 cording to the local physical conditions in which the species occur. 

 By Lovell Reeve, Esq.'F.L.S , 947 



On the influence of Physical Agents on the development of the Tadpole, 

 of the Triton and the Frog. By John Higginbottom, Esq 949 



On the Algebraic Expression of the Number of Partitions of which a 

 given number is susceptible. By Sir John F. W. Herschel, Bart. 

 K.H. F.R.S. &c .' 950 



On the original Model of the Safety- Lamp of Sir Humphry Davy. 

 By C. R. Weld, Esq 950 



On the Structure of the Dental Tissues of Rodentia. By John Tomes, 

 Surgeon-Dentist to Middlesex Hospital 951 



B 



