406 INDEX. 
Surgeons, U. S. meteorological observations, 149 
Surgery, 386 
Switzerland, education in, 191 
. can SEE 171, 271, 
Tech nological institut te, 197 
T ~_ ermometer, graduation of, 397 
q of, 163 
i mber, seasonin 
hitaniu um, Lett 
ee ldspar and aie 187 
—Torrey’s Flora, compendium of, 
T e 
— minerals of Somery 376, . 
y ~ living animals in solid bodies, 395 
Van so te er, — ~— of = mastodon, 380 
—, lec s on ogy, 
2 xem, Prof. of. ‘on sbeivietiod frou the atmosphere, & 
Vesuvius, ‘mineralogy o , 185 
Volcanic ashes, 1 
Voltaic hatievice, dry, 195 
Volumeter, Prof. Hare’s, 36 
Walls, preserv rved from dampness, 193 
Water, boring for fresh, 136 
Water-wheel s, accelerated by night, 163 
Webster, Noah, a s by, 163, 380 
oe 
‘Woodbridge’s Peete 873 
