Vol.67. Philosophical Magazine. April 1826. 



Contents of Number 336. 



XXXVIII. On the Properties of a Line of shortest Distance 

 Uacvid on the Surface of an oblate Spheroid, By J. Ivory, Esq. 

 M.A. F.R.S ; '. pagl^H 



XXXIX. On the Phenomena connected with some Trap Dykes 

 in Yorkshire and Durham. By the Rev. Adam Sedgwick, M.A. 

 F.R.S. M.G.S. Fellow of Trinity College, and Wood wardian Pro. 

 fessor in the University of Cambridge 249 



XL. On the Determination of the General Term of a New Class 

 of Infinite Series. By Charles Babbage, Esq. M.A. Fellow of 

 the Royal Societies of London and Edinburgh, and of the Cam- 

 bridge Philosophical Society 259 



XLl. On the Application of the Sliding Rod Measurement in 

 Hydrometry, By Robert Hare, JVJ .D, Professor of Chemistry in 

 the University of Pennsylvania 266 



XLII. On the Skeleton of the Plesiosaurus Dolichodeirus, discover- 

 ed in the Lias at Lyme, in Dorsetshire, in the Collection of His Grace 

 the Duke of Buckingham . , 272 



XLIII. Note on the Genus Condylura of lUiger. By J. D. God- 

 man, M.D , 273 



XLIV. On the Opposition of the Minor Planets. By SrEPHjiS 

 Groombridgs, Esq. F.R.S. &c. &c 277 



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

 is25, on the Voyage of Discovery, performed in the Years 1822, 

 1823, 1824', and 1825, under the command of M. Dui'errey, Lieu- 

 tenant of the Navy. By M. Auago (To be continued.) 280 



XL VI. Notices respecting New Books 289 



XLV[I. Proceedings of Learned Societies: — Royal Society ; 

 Linnaean Society; Geological Society; Astronomical Society; Royal 

 Institution of Great Britain 290 — 300 



XL VIII. Intelligence and Miscellaneous Articles : — The new Ex- 

 pedition into the Interior of Africa ; On the Temperature of Mines, 

 by M. P. Moyle, Esq, ; Physiology of the Brain; Action of Lime on 

 Alcohol ; Mr. Dalton on the Constitution of the Atmosphere ; Analy- 

 .sis of Oil of Wine, &c. ; Mechanical Notation of Machinery ; Me- 

 teorological Summary for 1825; Melaina: List of New Patents; 

 Meteorological Table, &c ..,...; 301 — 320 



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

 38 Shoe-Lane, will meet with every attention. 



RICHARD TAYLOR, PRINTBR, SHOK-LANK, LONDON. 



