Vol. S3. ^ Philosophical Magazine. April 1809 

 (KM CONTENTS of NUMBEK :f. 



1M XLV ' 0b . 5erv ationson a late Taper by D.AVm. R,CHAKO. 

 a|son, respecting the basaltic District in the North of Ireland, 

 TOManrlon the Geological Facts them* deducible ; in Co-junction 

 3f with others observable in Derbyshire and other English Coun- 

 HgtieB: with the Application of these Facts to the Explanation 

 ^tf8 of some ot the most difficult Points in the Natural History of 

 a the Globe, Bv Mr. John Fabky - - p a » e 



i XL VI. Analysis of the M&anique Celeste of M. Ea Place 

 Member of the French Institute, & c . By M. Bior - ' 



_. r ? LVlL Descri P*ion of a new Fence made of tort elastic 

 Wire, which becomes invisible at a comparatively short 

 Distance, calculated for Pleasure-Grounds. By Henry 

 | How ell, Esq. 



XLVIII. On the Affinity existing between Oxides of Carbon 

 and Iron. By David Ml'siiet, Esq 



^ XLIX. On the native Gold Dust found in the Hills in the 

 Environs ot the Commune of St. George, in the Department 

 i of Ee Lone. By Mr. Giuno, Prefect of the Department of 

 the Sesia - - „ 



^ L. Some Circumstances relative to Merino Sheep. By 

 Sir Joseph Banks - 



LI. Remarks on M. Burckh ardt's Contrivance for 

 shortening Reflecting Telescopes 5 with a new Method of 

 making Reflecting Telescopes with a Tube only one-third of 

 the focal Length of the Object-glass. By David Brewster 

 LL.D. F.R.S., and F.A.S., Edin. - . .'.. 



W^ } A \' A ^ e P ] y to Earl Stanhope, on his Defence of certain 

 ^W Principles and. Facts erroneously stated in his Stereotyped 

 ^li \ Pril,c ;|P les ot ' the Science of Tuning Instruments with fixed 

 Jig Tones." By Mr. John Farey 



LIII. On the Motion of floating Bodies in running Water. 

 By Peter Barlow, Esq., of the Royal Military Academy^ 

 Woolwich ----- 1 



LIV. Memoir upon the Formation of the Phosphoric Ether 

 by Means of a particular Apparatus. By M. Boullay, 

 JJ Chemist, in Paris.— Read to the First Class of the National 

 |S Institute the 23d of March, 1807 



292 



I/V. Memoirs of the late Era 



smus Darwin. M.D. 



LVI. Report on a Manuscript Work of M. Andre, 

 ^formerly known under the Name of P. Chrysolog*?e db Gy, 



,j w. ..„,. v """"u uiwu lmc ^rtllipoi JT. LHRYSOLOG^E DBVrY, 



-entitled A Theory of the actual Surface of the Earth. By 

 j MM; Bauy, Levierre, aniiCuviER. Read to the Class g|$ 



l$jJm<* Mathematical and Physical Sconces in the National Institute 312 fe|l 



By J. F. Daubjissqn 



. Method of ascertaining the Value of Growing Tim- 



Bv Mr. 



„.._ ^ ,.j o.^c*. u^tiii^o 111 uiC i-NallUUtii iilSUlllie 



LVIL Observations upon Subterraneous Heat, made in the 

 (Mines of Pouliaoucn, and of Buelgoat, in Britany, in France. 



120 < ? 



: different and distant Periods of Time. 

 ^Charles Wa'istell, of High Holborn 

 ^ L1K. Proceedings of Learned Societies 



LX. Jntetligence and Miscellaneous Article?— Meteoro 





m 



334-33- 





i^.fPZ^ 



M 



