CONTENTS 



July— Oct. 1827. 



Page 



On the Beauties contained in the Ovals and in the Elliptic Curves, 

 both simple and combined, generated from the same Figure or 

 Disk. By R. R. Reinagle, Esq., R.A. .... 1 



On the Art of forming Diamonds into single Lenses for Micro- 

 scopes. By Mr. A. Pritchard. . . . , . .15 



' ' . .' V • r^i^nvered Spring, at Stanley, near Wakefield. 



21 



^ in this Country. 25 



uii itxc D., F.R.S., &c, 39 



Dr. Turner s iiYemew^* 0/ u/tc»..: ... 60 



Experiments on Audition. Communicated oy Ay, C. Wheat- 

 stone 67 



On the Petromyzon Marinus . . . . . . . .72 



Observations upon the Motion of the Leaves of the Sensitive Plant 76 



Experiments on the Nature of Labarraques' Disinfecting Soda 

 Liquid. By M. Faraday, F.R.S., Cor. Mem. Roy. Acad. 

 Sci. Paris, &c. 84 



Hieroglyphical Fragments, with some Remarks on English Gram- 

 mar. In a Letter to Baron William Von Humboldt. By a 

 Correspondent 92 



Dr. Mac Culloch's * Malaria; an Essay on the Production and 



Propagation of this Poisony rewiewed 100 



Account of a New Genus of Plants, called Reevesia. By J. Lind- 



LEY, Esq., F.L.S., &c. Sec 109 



Astronomical and Nautical Collections. 



i. Fresnel on the Undulatory Theory of Light . . .113 

 • ii Rule for the Correction of a Lunar Observation. By Mr. 



W. Wiseman, of HuU 135 



* De V Influence des Agens Physiques sur la Vie. Par W. F. Ed- 

 wards, D.M.' &c., reviewed . ., .. . . .137 



Account of Professor Carlini's Pendulum Experiments on Mont 



Cenis 153 



Analysis of the * Transactions of the Horticultural Society, Vol. vii. 



Part I.* 159 



On the Recent Elucidations of Early Egyptian History . .176 



MISCELLANEOUS INTELLIGENCE. 

 I. Mechanical Science. 



Page 



1 On the Combined Action of a 



Current of Air, and the Pres- 

 sure of the Atmosphere 193 



2 Considerations relative to Capil- 



lary Action 194 



Page 



3 Novel Use of the Plough I97 



4 Discovery of Rocks under the 



Surface of the Sea 193 



5 Paper to resist Humidity .... I'ft^ 



6 Professor- Amici's Microscopes ift; 



a 2 



