INDEX. 



351 



Sarcostemina hctei'ophyllum, Gi. 



iindulatum, 65. 

 Saxifraua elirysautha, 83. 



Hirculu.s, 84. 



serpvllifolia, 84. 

 Scheele's Green, its Composition, 



11. 

 Schizonotus, 06. 



puipurascens, 66. 

 SchizyniPnia cocciiiea, 243. 

 Schweiufurt Green, Composition 



of, 85. 

 Sexual Diniorphism in Butterflies, 



150. 

 Silene Drummondii, 248. 

 SisjTinchium anceps, 277. 



belluni, 277. 



Bernuidianum, 277. 



minus, 277. 



mucronatum, 277. 

 Solar Parallax, Application of 

 Horizontal Photoheliooraph 

 to Determination of, 186. 

 Solidago sparsifl<')ra, 58. 

 Sounds, produced electrically, 1, 5. 

 Spiranthes Unalaschcensis, 277. 

 Squamaria lateritia, 184. 

 Stachys Rothrockii, 82. 

 Steironenia, 62. 



ciliatum, 63. 



florida, 63. 



heteropliylla, 63. 



lanceolatum, 63. 



lonffifolium, 63. 



radicans, 63. 



revolutum, 63. 

 Stereocaulon cereolinum, 178. 

 Sticta IlalUi, 168. 



Sympetaleia, 161. 



aurea, 161. 

 Synalissa melamhola, 170. 



vii'idi-rufa, 170. 



Tfenioma Clevelandii, 236. 



macrourum, 236. 



perpusillum, 236. 

 Telephone, Researches in, 1. 

 Tetradymia comosa, 60. 

 Thamnosma montana, 160. 

 Thelotrema Californicura, 177. 

 Thelypodium Cooperi, 246. 

 Transits of Venus, Determination 

 of Solar Parallax by, 186. 



u. 



Umbilicaria Caroliniana, 167. 



dictyiza, 167. 



mammulata, 167. 

 Urceolina Kergueliensis, 184. 

 Uric Acid, on the Ethers of, 26. 

 Usnea Taylori, 183. 



sulphurea, 183. 



Vincetoxicum acanthocarpos, 77. 



gonocarpos, 76. 

 Viscosity of Air, Effect of Tempera- 

 ture on, 41. 

 Vortex Rings in Liquids, 131. 



Cambridge: Presa of Jolin Wilson & Son. 



r=^ 



