vii 



V.P.R.I., Professor of Experimental Philosopliy at the London In- 

 stitution page 557 



The Blood-Corpuscle considered in its different phases of develop- 

 ment in the Animal Series. By Thomas Wharton Jones, Esq. 

 F.R.S., Lecturer on Anatomy, Physiology and Pathology, at the 

 Charing Cross Hospital 558 



On some peculiar modifications of the Force of Cohesion, with refer- 

 ence to the forms and structure of Clouds, Films and Membranes. 

 By William Addison, Esq. F.L.S 560 



On the formation or secretion of Alkaline and Earthy Bodies by Ani- 

 mals. By Robert Rigg, Esq. F.R.S 560 



An Account of the Observation of the total Eclipse of the Sun on the 

 21st of December 1843. By Lieutenant J. O. E. Ludlow, E.LC. 

 Engineers, Superintendent of the Magnetic Observatory at Ma- 



dras e 560 



On the Barometrical Variation as affected by the Moon's Declination. 

 By Luke Howard, Esq. F.R.S... 560 



Contributions to the Chemistry of the Urine ; on the variations in the 

 Alkaline and Earthy Phosphates in the healthy state, and on the 

 Alkalescence of the Urine from fixed Alkali. By Henry Bence 

 Jones, M.A. Cantab., Licentiate of the Royal College of Physi- 

 cians 561 



On the Nerves of the Uterus. By Thomas S. Beck, Esq 562 



On a Peculiar Source of Deterioration of the Magnetic Powers of Steel 

 Bars. By William Sturgeon, Esq 562 



An Account of a Protracting Pocket Sextant. By Colonel Bain- 

 bridge 563 



Observations on the Growth and Development of the Epidermis. By 

 Erasmus Wilson, Esq. F.R.S., Lecturer on Anatomy and Physio- 

 logy in the Middlesex Hospital , 563 



On the Temperature of Man. By John Davy, M.D. F.R.S. L. & E. 564 



On Ozone. By C. F. Schoenbein, Professor of Chemistry at Basle, 

 in a letter to Michael Faraday, Esq. D.C.L. F.R.S 565 



On the Theory of Vision, in a letter to S. Hunter Christie, Esq. Sec. 

 R.S. By William Ford Stevenson, Esq. F.R.S. 565 



On the Compounds of Tin and Iodine. By Thomas H. Henry, Esq.. 565 



Supplement to a Paper " On the Nervous Ganglia of the Uterus." By 

 Robert Lee, M.D. F.R.S., Fellow of the Royal College of Physi- 



cians... 566 



Experimental Researches in Electricity. By Michael Faraday, Esq. 

 D.C.L. F.R.S. &c. Nineteenth Series, Section 25: On the 

 Magnetization of Light, and the Illumination of Magnetic Lines of 

 Force 567 



On the Action of the Rays of the Spectrum on Vegetable Juices, 

 being an Extract from a Letter by Mrs. M. SomerviJIe to Sir John 

 F. W. Herschel, Bart., dated Rome, September 20; 1845 569 



