392 



INDEX. 



Fellows, Associate, deceased, — 



Spencer F. Baird, 310, 315. 



Samuel G. Brown, 315. 



E. B. Elliott, 315. 

 Fellows, Associate, List of, 384. 

 Foreign Honorary Members de- 

 ceased, — 



Matthew Arnold, 315. 



Gustav Kirchhoff, 310, 315. 



Henry Sumner Maine, 315. 



Hugh A. J. Munro, 310, 315. 



Balfour Stewart, 315. 

 Foreign Honorary Members, List of, 



386. 

 Furfurine, 32. 



G. 



Gray, Asa, death of, 311, 315. 



notice of, 321. 

 Guatemala, descriptions of some 



plants of, 283. 

 Gymnolomia triloba, Gray, 287. 



H. 



Habenaria Schaffneri, 283. 

 Hartwrightia, Gray, 264. 



Floridana, Gray, 265. 

 Helianthella Madrensis, 278. 

 Helianthemum Chihuahueiise, 268. 



Pringlei, 268. 

 Heliconia Choconiana, 284. 

 Heterodraba, 256. 

 Heterotoma gibbosa, 280. 

 Hibiscus spiralis, Cav.?, 269. 

 Hickock, Laurens Perseus, death of, 

 315. 



notice of, 343. 

 Hopkins, Mark, death of, 309, 315. 



notice of, 344. 

 Hosackia Chihuahuana, 270. 

 Hydrogen and oxygen, the relative 

 values of the atomic weights 

 of, 149. 



introduction, 149. 



previous work, 153. 



apparatus for preparing hydro- 

 gen, 165. 

 for weighing hydrogen, 158. 



atomic weight of oxygen, 173. 



combustion apparatus, 162. 



complete analysis of water, 175. 



table of final results, 173. 



Hydrogen and oxygen, additional 

 note on the atomic weights of, 

 182. 

 amount to be added to correct 



error, 184. 

 method used in finding correc- 

 tion, 182. 

 Hymenothrix glandulosa, 278. 



Ipomcea leptosiphon, 280. 



Madrensis, 281. 

 Ivesia Shockleyi, 263. 



J uncus Oreganus, 267. 



K. 



Kirchhoff, Gustav Robert, death of, 

 310, 315. 

 notice of, 370. 



Lathyrus cinctus, 263. 



palustris, Linn., 263. 



var. (?) graminifolius, 263. 

 Lead in the sun, 17. 

 Lepachys Mexicana, 277. 

 Lesquerella (Vesicaria), revision of, 



249. 

 Lesquerella, 249, 251. 



alpina, 251. 



var. intermedia, 251. 



angustifolia, 253. 



arctica, 254. 



var. Purshii, 254. 



argentea, 252. 



argyrea, 254. 



Arizonica, 251, 254. 



auriculata, 250. 



Berlandieri, 252. 



cmerea, 252, 



too. 



densiflora, 251. 

 Douglasii, 252, 255. 

 Engelmanni, 254. 

 Fendleri, 254. 

 globosa, 252. 

 Gordoni, 253. 



