INDEX, VOLS. XXXI—XL, 
Transit- -observation, error of, ix, 112. 
The app, on n veratrin, V vi, 268. 
ready 
60. 
ees 428, 
irconium, 261. 
Trowveot, new pcan detec’ silkworm, ix,) 
Trowbridge, aw 
oe 
nebul 
invisibility of nebulous 
* ar iii viii, 344, ix, 25, 
| 
431 
vernment surveys, Hayden, iv, 98. 
at. Hist. ¢ Sohne noticed, i, 295. 
utory, li, 
U.8. 
i 's observations at, Vv, oe 
Stebbins’ s eighty years progress of, 
6 a aaa ii, 
er Missouri explorations, i, 229, 
452, iv, 100, x], = on a 
Urals, exploration of, x], 288. 
Ura carbonate of sesquioxyd of, 
ay 
moons of, ix 
sulphur neimpouink oe Remelé, ix, 344. 
Ure’s Dictionary, Supplement, novead, 
Vi, 
Urea, from fe id of pot: Lea, 
ut J I » HOA, 
Lritbn ers ‘American and Oriental Record, Urine of oxen in relation to food, v, 291. 
notice of 1 1X, 375, 
Tryon 
Journal of Conchotagy rg 
ew soem se tah of Pholadacea, &e., no- 
ticed, v 
Tubulaiia ae “parthenogenous, Clark, vii, 
nt of American 
Vecbereiian? ‘Ss Lichenes Cub, vii, 456. 
Tucson 
Swaew on Bessemer’s process, v, 421. 
Berg- u und hi utgenmannisehe’ dahr- 
buch, noticed, vi, 273. 
Turpentine, oil "of adulteration with, ix, 
lav, on separating alkaloids, ili, 415. 
Sane agon-road routes in, iv, 99, 
Va Pasig ga, obituary, xl, 140. 
Van Bened en, Belgian Sait cave, ix, 223, 
x 
te of Belgium, noticed, viii, 
Van den Bosch, R. B., obituary, iii, 428, 
Van Hewwcl, J. As Indians of Hayti, ¥, 10. 
Va _ densities, Playfair and Wanklyn, iii, 
Devitle, vi, 408, ix, 346. 
Va, ad Poe Lennie Titteraire et dramat- 
ique, i, 
Vacteble sia S, » hier. vi, 144. 
bri wade in plants, origin of, Decaisne, vi, 
Veweta table ivory, vii, 445. 
Ve a Se affected by ozone, ete., Lea, 
i, 373. 
Venezuela, coal i in, viii, 238. 
pdiotentiba of, Mahila, ii, 107. 
Tutile, H. P., discovers saveroida, (66) i, 
463, (73) ili, 436. 
et III, 1861, iii, 289. 
n Tempel’s comet, viii, 432. 
Tweedie, ae obituary, V 
Twining, A. "€., me — , Nov. 1860, i i, 138 ;) 
Noy. 1861, iii, Sire Aug. 1862, 0 205 1 
* Nov. - 1862, v vy, pte 1863, Vii, 145; 
No ix, 309: A 
meteoric ings affect ie by eart 
fe 1865, x 
Pesan ascent of Mose se ose, 2 
Tyler, igstciert aite, ix, 1 
imac. ce? ee | 
dail, 
phere, vi, 99. 
absorption and radiation of hea 
notice, ii, 106. 
oe tas a mode of Motion, noticed, 
Tyran purple from coal-tar, Perkin, ii, 
U 
Unger, on geolocy of Greece, etc., 
Unionide, [ea on = . 
U.S. Aig sa ame ee 
Survey, . vi, 
ore, ik ai, v, 149, = Vermon 
1. 
radiation through = 
eat, 
vii, 79. 
, noticed, iv, 451, y, 143, Vilme orin, 
terre, i 
Vinegar man 
Ventilation at Key We est, funt. : 
Ven us, light of, compared with pelle oo ah 
Vera in, Trapp on 
vi, 268. 
Verdet, lectures bs, noticed, vi, 407. 
t, Geol. report, iii, 416, iv, 185, ¥, 
red mneri age of, ii, 292, 454, oes 
iii, 100, 108, , 820, 4 370, 370, $21. 
sce also Taconic system. 
Verriil, Sa £., new oar aavolopinig solution, 
reservation hes, ix, 228. 
he \merican silkworm, ix, 228, 
ainsi aon rah age 
classification of Polyps, 
ist 3 q Foie, Se Ott ee by, 
notice of, vii, 
hog Ma caaveth coast of U. §., no- 
ticed, V 
viii, 
ee water: falls, Loomis, vi, 352; 
or, void mounting fpmees for a 
de, eee Dee te 
"And = fleurs~ wa pleine 
435. 
ufacture, — 
