Vol. 35. Philosophical Magazine. 



March 182U 



Contents of Number 263. 



Paf. 



XXI. Hints respecting Navsil Architecture. By A Cor- 



RESPONDENT. - - '.. - . - 161 



XXII. Description of an [nstrument for gathering Fruit. 

 By Mr. Thomas Lane, of Stockwell, - - . 162! 



XXIII. New Method of cultivating in Great Britain the 

 Papaver somniferum , and of preparing Opium froni.it. By 

 John Young, Esq. Fellow of the Royal College of Sur- 

 geons, Edinburgh. - - - . w XG^i 



XXIV. Memoir of the late Gasparb Monge. From 

 Historical Essay on his Services and Scientific Works, by 

 M. C. Du p IN, a Pupil of Monge, and Member of the French 

 Institute. - - - . - . 175 ' 



XXV. Mctliod of making Ivory Paper for the Use of Art- 

 ists. By Mr. S. EjNSLE,6f Strutton-Ground, Westminster. 179^ 



XXVI. Process for giving to Linen, Silk, Cotton, &c. a 

 fine Mineral Yellow Colour. By M. Henri Braconnot. 



XXVII. An Essay on a Property in Light which hi- 

 therto has been unobserved by Philosophers. By Captain 



FORMAN, R,N. - - . - . ^ .. 



XXVIII. An Account of a Peach Tree produced from 

 (^ft^^J the Seed of the Almond Tree; with some Observations on 



ij^Jythe Origin of the Peach Tree. By Thomas Andre.w 

 lilW Kmght, Esq. F.R.S. KL.S. 5ic. President. 



XXIX. Address of the Astronomical Society of London : 

 establisiied February S, 1820. - ... - 



XXX: On the Method of e-vtracting Iodine from Ivelp, 

 By M. Van Mors. - - • . -' 207( 



XXXT. Present State of the Ruins, of Babylon.' By 

 Captain P^^dvzard Frederick. .... 213 



XXXII. Final Remarks, by Mr. Edward Riddls, on ji, 

 finding the Longitude by Lunar Observations, &c. - 219 j^ 



XXXIII. Notices respecting New Books. : . 223, 



XXXIV. Proceedings of Learned Societies. - r 225! 



XXXV. Intelligence and Miscellaneous Articles. — 

 Conical Balls. — Preparation of Prussiate of Ammonia and 

 of Iron, when employed as a Reagent for Copper».-..Analysis 



Sof Red Rain which fell at Blankenbe^g, November 2, 1819. 

 — North-west Parsage. — New Islands discovered. — ^Earth- 

 quakes in ISI9. — Crocodile's Flesh an Article of Fdod.r- 

 Patents.— -Meteorological Tables. - - • - 230—240; 



*^* Co mmunications for this Work, addressed to t]ie Editor, 

 Pickett-Place, Temple Bar, will meet with every attention. 



KICHARO and ARTHUR TAYW3R, printers^ SHOE LANE, LOM»ON; 



