INDEX. 



in 



N'.ckch New metal found in, 93 

 Nico!an. A new metal, 93 



Ogifrs patent, 191 



Oniscns. On the, 53 



Oph:bahnia. On, 349 



Of>ium tair.hsefi, 178 



Ortiithology, 204 



O'viparous quacirufeds, 205 



Pacchioni on radical of muriatic 

 acid, 1 79 



Pas: urn. Antient city of, 363 

 Pantiles, Pat cut, 370 



Pallai. Ascension and declina- 

 tion of, 93, 190, 367 

 P.'i/aiium for sa.\c, 190 

 Piifxr. Patent for, 95 

 Pan;intur on oxides of mercu- 

 ry, 123, 132 

 Parke's travels, 287 

 Parrols. Oil, 204 

 fatents. List of, 95, 190, 287, 



Ped on production of muriates 

 from water by Galvanism, 



Ptr n on ijie theory of the 



earth, 155, 200 



P/V/^cohV patent, 191 



Plaf^ue. On treatment of, 340 



Plants. Physiology of, 23 I, 3 2 I 



PL/Jjia. Action ot, on mercury, 



26, 103; experiments on, 273 



Plou^Jj. Jefferson on the, 79 



Plucknett's patent, 287 



PneiiK-T. c mei/idr,e, 2 j, 339 



Poetry. A prize question, 3^53 



Pompeii. Further discoveries at, 



18S 



fotasb produced by Galvanism, 



Potvys J agncultural remarks, 



312 



Priestley. Life of, 1 66 



Prleur on colours, 289 



Prin:ln;r. Patent, 370 



Prismatic coljurs. On, 289 

 Prize (juestietis, 9 ' » 93> 3 ^3 



projectile:. Measuring velocity 



of, 2:0 



Prussia. Prize question by king 



of, _ 93 



Publications. New, 171, 284 



Pamsdm's com!ng-up glass, 319 

 RiUtlesr.akcs. On, i-oG 



Rhodium. A new metal, 273 

 Rcl'ins's method of determining 



the velocity of musket balls, 



227 



Rc-zv>itree's patent, 95 



Rcyal Secictj. London, 271,353 



Rumfurd on producing heat by 



eolar rays, 172; on velocity 



of projectiles, 227 



Rupert's drops. On, 334 



Russian embassy to Japan, I, i 15; 



to China, iby 



Saddle. Patent, 191 



Sa^e on polishing and silvering 



mirrors, Ii2 



Saturn. Form of, 355 



Sa-rving mills. Patent for, 190 

 Sciences and Jitie arts. A prize 



question, 91 



Scorpion. On the, 50 



5' Ptts patent, 370 



Sfguin's analyses of opium, 178 

 Seguin on glue, 274 



Seetzen's travels, 287 



Sepplngs's method of suspending 



ships, 242 



Sheathing of ships. Patent for, 

 191 

 Ships. To suspend, 242 , 



Ship's sails. ?:i\>:x\t, 287 



Silex. Oripin of, in vegetables, 



Sih-erhi^- 0/ mirrors. On, 112 

 Slater's patent, 100 



SmuI of wheat znz]ys,t:c], 177 

 Snart on a nondescript aquatic 

 animal, 13, 



—— on Rupert's drops, 334 

 Societies. Learned, 85, 172,271, 



5 53 

 Solar rays. Force (of, in pro- 

 ducing heat, 172. 

 Stcam. Patent fcr generating, 



Sfea:iim 



