222 INDEX. 



TAGK. 



Restiaceae 104 



Reflectors 141 



Radiometer, Mr. Crooke's 144 



Scientific Researches on board H.M.S. " Challenger" 7 



Schoenus 104 



Scientific Notes, by H. 0. Russell, B.A 135 



St. Thomas's I. in the West Indies, Soundings of 11 



Serpula 15 



Spirorbis 15 



Soundings of H.M.S. "Challenger" 24 



Soundings of the U.S. Steamer "Tuscarora" , 25, 65 



Serpentines, a remarkable and common character of 40 



Sea-sand, working of, profitable 74 



Sierra Buttes Mine 76 



Silver Mines in New Mexico, Arizona, Middle Nevada, and Idaho... 77 



Stetefeldt Furnace 83 



Statistics— Mining 83 



Stanniferous Deposits of Tasmania 87 



Stanniferous Drift, depth of 89 



Spectrum Analysis — Improved' Instruments 143 



Subscription in arrears vi 



T 



Triassic beds, Fossils of 34 



Turbo 36 



Terebra 38 



Trochus 38 



Tin Ore in Tasmania 56 



Tin at Wombat Hill and Mount Housetop, Tasmania 92 



Transit of Venus, Photos of 135 



Transit and other Instruments, improvements in 139 



Telescopes 140 



Tide Indicators, Sir William Thompson's 149 



Tidal Effects, Dr. Schmick on 149 



u 



United States Geological and Survey Departments, researches of ... 85 



