Vol. 67. Philosophical Magazine. May 1826. 

 Contents of Numbeu 337. 



XLIX. On Mr. Dalton's Speculations respecting the Mixture 

 of CadCiJ, the Constitution of the Atmosphere, &c. By Thomas 

 Tredgold, Esq 321 



L. On the Equilibrium of the Funicular Curve when the String is 

 extensible. By H. Moseley, Esq. B.A ,...., 324 



LI. On the mutual Action of Sulphuric Acid and Naphthaline, and 

 on a new Acid produced. By M. Faraday, Esq* F.R.S. (To be 

 Continued.) 326 



LII. Hydrographical Notices: — Remarks on the Methodof inves- 

 tigating the Direction and Force of the Currents of the Ocean ; Pre- 

 sence of the Water of the Gulf-Stream on the Coasts of Europe in 

 January 1822; Summary of the Currents experienced by His Ma- 

 jesty's "Ship Pheasant, in a Voyage from Sierra Leone to Bahia, and 

 thence to New York; Stream of the River Amazons crossed, three 

 hundred Miles from the Mouth of the River. By Capt. Edward 

 Sabine, R.A. F,R. & L.S. .^c. ( To he continued.) 332 



LIII. On rpperties of a Line of shortest Distance traced on 



the Surface of an oblate Spheroid.- By J.IvoRy,"Esq. M.A. F.R.S. . 340 



LIV. Character and Description of Kingia, a new Genus of Plants 

 found on the South-west Coast of New Holland : with Observations 

 on the Structure of its Unimpregnated Ovuluttn ;. and on the Female 

 Flower of Cycadese and Coniferee. By R. Br6wn, Esq, F.R,S.S.L. 

 & E„ F.L.S. (To be continued.) 'i 352 



LV. Report made to the Academy of Sciences, 22d of August 

 1825, on the Voyage of Discovery, performed in the Years 1822, 

 ^525, 1824, and, 1825, under the command of M. Duperuet, Lieu- 

 tenant of the Navy. By MM. Araoo, Cordier, and Cuvier. . . . 362 



LVL Proceedings of Learned Societies: — Royal Society ; Lin- 

 naean Society ; Geological Society ; Astronomical Society; Royal In- 

 stitution of Great Britain ; Vaccine Pock Institution ; Zoological 

 Society 37^—387 



LVII. Intelligence and Miscellaneous Articles: — Opposition of 

 Mars to the Sun, observed by Dr. Burney at Gosport; Dr. Burney 

 on the. late Luminous Arch; List of New Patents; Meteorological 

 Table, &c. 387—320 



*«* Communications for this Work, post-paid, addressed to the Editor, 

 38 Shoe-Lane, will meet with every attention. 



IIICHARD TATLOR, PRINTXR; SHOS-LAMB; LONDON. 



