420 INDEX. 
Sabine, Capt. on the sas apna =i = get) 145 
Safety tubes, 345 Salts, nu r of, 
Sand formation of New Jerse ‘ me serene : ing; eccentricity of, 162 
Scandinavians, agi 3 discovery of America by, 41 
a, on the color of, 170 Sea, tg. aay oe 295 
Seybert, Mr. sale nh meteorite by, 
Shepard, C. U. o nics mi ate of m maganes, a 
————— wees of minerals, 
on bate i iro 
rn ene Journey by, 353 : 
Siberia, notices of, 24 ese twin brothers, 212 e 
tes culture of, aie nae disperser r, 164 i 
um, 18 v phosphor ri, I 
Solar rays, electricity o Spherical es ea conf 415 
Springs, on the origin of, i oe anufactu 
ba plate, colored, Sotypiive: a 0 of ite eee 8 
trong, Prof. solution ma a problem in Fluxions 329 cs 
Suatiecte Acid, liqui uid, 1 rs ¢ 
, » 
labular Spar, new cae A ot 145 Technology, elements of, 198 
atu t 
Test for vegetable ey an chal matter, 182 
Thermometer, Register of, at Be tikes 
Thorium, anew metal, 381 crystallization of, 206 
Titaniferous iron ore, analysis of, 
Tobacco, chemical examination of, 369 Tomatos, acid in, 115 
Trap rocks, igneous origin of, 116 Turner’s Chemistry, new edition of, 201 
; U. 
Unit, linear, 164 United States, architecture in, 99, 249 
Urinary Caleuli, 190 
¥: 
Vermin, destruction of by steam, 390 
W. 
n, Dr. on the 8 Raines Boys, 21 Watkins’ Galvanic abe 162 
Warr 
Weather Glass, 187 Welther’s Safety Tube, substitute for, 34 
Wheat, potatoe flour i in, 173 Wollaston, Dr. death of, 1 
Wood, process for d rying, 163 Wood, inhumed, 398 
Z. 
_ Zircon, new locality of, in New — 196 
n Vermont, 358 
= Toological Weather Glass, 187 
