X 



Observations made on the temperature and specific gravity of the 



ocean at various depths, and at the surface, namely, page 220 



Observations of the magnetic intesity on shore, and on board 



H.M.S. Erebus, with needle F. 1. 

 Magnetic dip observations on shore, and on board H.M.S. 

 Erebus, with needle F. 1. 



Observations for the magnetic dip on shore, and on board 



H.M.S. Terror. 



Observations of the magnetic dip by needle F. C. 5. on shore, 

 and on board H.M.S. Terror. 



Observations in magnetic intensity by needle F. C. 5. on shore, 

 and on board H.M.S. Terror 221 



Postscript to Major Sabine's paper, entitled ' Contributions to Ter- 

 restrial Magnetism,' containing an extract from a letter from Capt. 

 James Clark Ross, commanding the Antarctic expedition, dated from 

 St. Helena, February 9th, 1840; noticing the success which had 

 attended the employment of Mr. Fox's Instrument, in observations 

 of the magnetic dip and intensity on shipboard 221 



A few Remarks on a Rain Table and Map, drawn up by Joseph At- 

 kinson, Esq 221 



Extracts from a Meteorological Journal kept at Allenheads, in the 

 county of Northumberland. By the Rev. W. Walton, F.R.S....... 221 



Description of an Astronomical Clock invented by the late Captain 

 Henry Kater, F.R.S. Drawn up from his own memorandums by 

 his son Edward Kater, Esq 221 



Researches in Embryology. — Third Series. A Contribution to the 

 Physiology of Cells. By Martin Barry, M.D. F.R.S. F.R.S.E. 

 Fellow of the Royal College of Physicians in Edinburgh ,. 222 



On the Odour accompanying Electricity, and on the probability of its 

 dependence on the presence of a new substance. By C. F. Schoen- 

 bein. Professor of Chemistry, Bale 226 



Tables of the Variation, through a cycle of nine years, of the mean 

 height of the Barometer, mean Temperature, and depth of Rain, as 

 connected with the prevailing Winds, influenced in their direction by 

 the occurrence of the Lunar Apsides, with some concluding observa- 

 tions on the result. By Luke Howard, Esq. F.R.S. &c 227 



Experimental Researches into the strength of Pillars of Cast Iron, and 

 other meterials. By Eaton Hodgkinson, Esq 227 



Remarks on the Meteorological Observations made at Alten, Fin- 

 marken, by Mr. S. H. Thomas in the years 1837, 1838, and 1839. 

 By Major Sabine, R.A. V.P.R.S., and Lieut. Col. Sykes, F.R.S. ; 

 being a Report from the Committee of Physics, including Meteoro- 

 logy, to the Council of the Royal Society 229 



Second Letter on the Electrolysis of Secondary Compounds, addressed 

 to Michael Faraday, Esq. D.C.L. F.R.S. &c. By J. Frederic 

 Daniell, Esq. For. Sec. R.S. Professor of Chemistry in King's Col- 

 lege, London 231 



Meteorological Register kept at Port Arthur, Van Diemen's Land, du- 

 ring the year 1838, and the Register of Tides at Port Arthur, from 

 August 1838 to July 1839, both inclusive. By Deputy-Assistant- 

 Comraissary- General Lempriere 232 



