Index 



283 



Spectrum analysis and the nature 

 of yttrium, 241 ; value and 

 results of, 151. 



Speke, Captain, and source of the 

 White Nile, 147. 



Spence, J., biography of, 21 ; com- 

 munication from, 137 ; retire- 

 ment of, 49. 



Spermatozoa, action of solutions 

 on, 129. 



Spheroidal condition, effect of hydro- 

 gen on readiness to assume the, 

 139. 



Spider, a species of, kept captive 

 by ants, 243. 



Spinfer cuspidatus, its microscopic 

 structure and relations, 178. 



Spitzbergen, striated rocks in, 165. 



Splenic fever, effects of inoculation 

 for, 205 ; studies of the bacillus 

 of, id. ; its vitality, 206 ; photo- 

 graphs of, 206. 



Spottiswoode, W., election of, and 

 biographical note on, 55 ; com- 

 munication from, 190 ; requests 

 interment of Charles Darwin in 

 Westminster Abbey, 220 ; death 

 of, 79. 



Spratt, Captain, on coal at Heraklea, 

 124 ; brings bones of pigmy 

 elephant from Malta, 172 ; dredg- 

 ings in the ^Egean, 197. 



Springs, presence .of fish in hot, 214. 



Stainton, H. T., on a tissue pro- 

 duced by Tineina larva?, 182. 



Standards of weight and length, 

 121. 



Steel, a new and economical method 

 of making, 132. 



Stirling, Professor, description of a 

 new Australian marsupial, 240. 



Stokes, G. G., election of, and bio- 

 graphical note on, 42 ; communi- 

 cations from, 166, 215, 222, 226, 



254- 



Stones, wind-worn, from New Zea- 

 land, 183 ; from Egypt, id. and 

 184. 



Stonesfield slate, mammalian jaw 

 in the, 114. 



Strachey, R., election of, and bio- 

 graphical note on, 59 ; com- 

 munications from, 225, 227 ; 



absence from England, 60 ; re- 

 turn, 65 ; suggests changes in 

 elections to Royal Society, 65 ; 

 placed on supernumerary list, 92. 



Struve, Otto, on anomalies in pen- 

 dulum observations, 169. 



Strychnine, not hurtful to Acari, 



157- 



Stuart, M'Douall, exploring expedi- 

 tions northward from Adelaide, 

 153- 



Stuart, Professor Anderson, describes 

 the University of Sydney, 252 ; 

 biographical note on, id. 



Subscription in aid of an im- 

 poverished artist, 143. 



Summer of 1881, abnormal distribu- 

 tion of temperature in, 217. 



Sun, spots on the, taken by Kew 

 photoheliograph, 139 ; presence 

 of oxygen in the, demonstrated, 

 209 ; total eclipse of the, ob- 

 served at Vadso, 250. 



Sundew (Drosera), its carnivorous 

 habits, 154. 



Sunset, luminous cones visible at, 

 187. 



Supernumerary members agreed 

 upon, 72. 



Surinam toad, observations on its 

 oviposition, 249. 



Survey, Trigonometrical, of British 

 Isles completed, 157. 



Sutherland limestone, showing struc- 

 ture like Eozoon Canadense, 218. 



Swan lamps used in lighting Royal 

 Society's rooms, 218. 



Swinhoe, R., and two skulls of tiger 

 from China, 193. 



Sydney, University of, described, 

 252. 



Sykes, W. H., biography of, 21 ; 

 communications from, 105, no, 

 112, 113, 116, 119, 120, 125, 129, 

 131, 133, 152, 158, 159, 165, 173, 

 174, 175, 176, 186. 



Sylvester, J. J., election of, 57 ; 

 communications from, 173, 192, 

 197 ; absence from England, 70 ; 

 placed on supernumerary list, 

 8 1 ; death of, mentioned, 91. 



Syringothyris (Winchell), its differ- 

 ence from Spirifer, 178. 



