INDEX. 



A. 



Acid, (S-brom-S-sulphopyromucic, 196. 

 /3-sulpho-S-brompyromucic, 206. 

 /3-sulphopyromucic, 214. 

 /3y- dibrom - 8- sulphopyromucic, 



201. 

 /38-dibrompyromucic, action of 

 fuming sulphuric acid upon, 

 218. 

 fi-sulphopyromucic, 188. 

 tribrompyromucic, action of 

 filming sulphuric acid upon, 

 220. 

 Acids, substituted pyromucic, 188. 



sulphopyromucic, 188. 

 Aizopsis, DC, 260. 

 Alysmus, 250. 

 Alyssum, 249, 250. 

 Ampelopsis, Michx., 227. 

 Arnyris, P. Browne, 225. 

 maritima, Jacq., 226. 

 var. angustifolia, 226. 

 parvifolia, 226. 

 Aplopappus niveus, 277. 

 Argentic /3y-dibrom-8-sulphopyromu- 

 cate, 203. 

 /3-sulpho-S-brompyromucate, 209. 

 sulphofumarate, 213. 

 8-sulphopyromucate, 191. 

 Arnold, Matthew, death of, 315. 



notice of, 349. 

 Artemisia dracunculina, 279. 

 Astragalus oxyphysus, Gray, 263. 

 scalaris, 270. 

 sylvaticus, 262. 

 Yaquianus, 270. 

 Atomic weight of copper, further in- 

 vestigation on the, 177. 

 Atomic weights of hydrogen and oxy- 

 gen, the relative values of the, 

 149. 

 additional note on, 182. 



B. 



Baird, Spencer Fullerton, death of, 

 310, 315. 

 notice of, 347. 

 Baric /3-brom-S-sulphopyromucate, 

 196. 

 aa-dibromfurfuran-/3-sulphonate, 



210. 

 £y - dibrom-S-sulphopyromucate, 



201. 

 j3 sulpho-S-brompyromucate, 207. 

 sulphofumarate, 212. 

 0-sulphopyromucate, 215. 

 S-sulphopyromucate, 189. 

 Benzol, 239, 245, 247. 

 Benzol, boiling points of naphtha- 

 line, benzophenone, and, under 

 controlled pressure, with spe- 

 cial reference to thermometrv, 

 237. 

 Benzophenone, 239, 244, 246. 

 Benzophenone, benzol, and naphtha- 

 line, under controlled pres- 

 sures, boiling points of, with 

 special reference to thermome- 

 try, 237. 

 Bidens inermis, 278. 

 Bismuth in the sun, 18. 

 Blake microphone contact, experi- 

 ments on the, 228. 

 description of apparatus, 229. 

 results of experiments, 236. 

 Botany, American, contributions to, 



223, 249. 

 Bowlesia palmata, Ruiz & Pavon, 



274. 

 Bradley, Charles Smith, death of, 315. 



notice of, 317. 

 Breweria rotundifolia, 281. 

 Brodisea Hendersoni, 266. 

 /3-Brom-S-sulphopyromucate, baric, 

 196. 



