INDEX. 



473 



Phonograph, some Experiments re- 

 lating to the Vowel Theory 

 of Helmholtz, 271. 



Phosphorpentoxide, action upon 

 benzoic acid in an excess of 

 benzol, 91. 

 action upon orthonitrobenzoic 

 acid in an excess of benzol, 

 95. 

 action upon meta nitrobenzoic 

 acid in an excess of benzol, 

 97. 

 action upon para nitrobenzoic 

 acid in an excess of benzol, 

 98. 



Pitch, on the least Number of Vibra- 

 tions necessary to determine, 

 222. 



Porophyllum Pringlei, 178. 



Potassic Brommethylpyrom ucate, 

 207. 

 Dibromdinitrophenylate, 323. 

 Methylpyromucate, 197. 



Potassium Hydroxide and Bromine, 

 action on /38-dibrompyromu- 

 camide, 214. 



Proceedings of Meetings, 325. 



Prussic Acid, nature of, 156. 



Pyromucamide, on Certain Deriva- 

 tives of, 211. 

 action of bromine on, 217. 

 action of bromine water on, 



219. 

 Tetrabromide, properties of, 

 218. 



Pyruvic Anilide, 129. 



Pyruvic - anilide - phenylhydrazone, 

 132. 



Pyruvic - anilide - phenylhydrazone- 

 hydrate, 131. 



Pyruvic-anilidimidechloride, 126. 



Pyruvic-o-toluide, 111. 



R. 



Rumford Premium, 168. 

 Rutyleue, 81. 



Sabazia Michoacana, 173. 

 Smyrna, 212. 



karwinskii, 213. 

 Sodic Benzylate, action in benzol, 

 310. 



Sodic Benzylate, action on tribrom- 



trinitrobenzol, 301. 

 Sodic Ethvlate, action in ethyl al- 

 cohol, 295. 

 action on certain derivatives of 

 tribromtrinitrobenzol contain- 

 ing alkyloxy radicals, 313. 

 action on the triphenylether of 



trinitrophloroglucine, 313. 

 action on tribromnitroresorcine 



diethylether, 315. 

 action with benzol and alcohol, 



296. 

 quantitative study of its ef- 

 fect on tribromtrinitrobenzol, 

 292. 

 Sodic Isoamylate, action in benzol, 



310. 

 Sodic Isopropylate, action in benzol, 

 310. 

 action on tribromtrinitroben- 

 zol, 303. 

 Sodic Methylate, action in benzol, 

 309. 

 action on tribromtrinitroben- 

 zol, 300. 

 Sodic Methylpyromucate, 197. 

 Sodic Phenylate, action in benzol, 



311. 

 Sodic Propylate, action en tribrom- 

 trinitrobenzol, 302. 

 Sodic Propylate (Normal), action in 



benzol, 309. 

 Spilanthes Beccatunga, 176. 



disciformis, 176. 

 Standing Votes, 167. 

 Statutes, 159. 



Sulphuric Acid, concentrated, action 

 of, 202. 



T. 



Tigridia pulchella, 181. 

 Tithonia brachypappa, 171. 

 Tolylimidocarbonylchloride, 112, 



119. 

 Tolylisocyanide, 138. 

 Tradescantia angustifolia, 185. 

 Trianilidodinitrobenzol, and certain 

 Related Compounds, 252. 

 and Chloroform, 256. 

 experiments with, 253. 

 Tribromdinitrobenzol, Action of 

 Water upon, 317. 

 action upon water and sodic 

 carbonate, 322. 



