488 
Sun and artificial lights, 1 
heat and light of, ye 169. 
photog 
eclipse, Huggins 
radiatior 
mn at 
Siemens’ theory of the 78, 148, 230, 
see also Spe 
Ca 
bars, Woodward, 4 
Thorium, hope Pech ot 146. 
metallic, 146. 
Time, conference for the adoption of 1 a 
stan dar 
os observations at the 
a 
Lick Obse bvsiorronte 
Transit circle, collimation constant of, |. 
4. 
abservations at Allerheny Ob- 
~siiaanataly 
at ae Lick Observatory, 
Todd, 131, 
at Princeton, Young, 321 
. at Vanderbilt Univer., Land- 
reth, 428. 
‘at. Washburn Cerne 
ni 
Tro sebridge, Zz physical notices, 76, 148, 
229, ie 469, 
Trumbull, J A, wi ge origin of 
cultivated plants, 241, 
Tryon, G. W. 
Concholo, 
Tuning-forks, her of, Michelson, 61. 
vU | 
University of Virginia, laboratory ste 
from, 159. es 
Vv 
Vegetables, see BOTANY. 
Vein gee Le Conte, (424. 
Venus, ansit, 
Verrill, 4. E., zoological ° notices, 316, 
397, 4 
Vesie, Z. movement of water in plants, 
Mog bes Plantes Potagéres, 935. 
riations in length of bars 
448, : 
White, C. A. 
, Stru ctural rae Systematic 
397. 
f Ca ape Verdes, 393, 
Volcanoes, Hawaiian, Dutton, 219. 
INDEX. . 
‘ | ant, e, genera of Silurian ¢ crin- 
raphing fg, without ae 
+. @ 
oids, 255: 
Wadsworth M. £; the Mitton “felsyte, 
a War, H. er A. | rain-fall in: ‘Middletown, 
Conn; 
SON, s. ena notices, Si 
Watso 
Waves, a ct of oil 0 
- Wheeler 
Temperature Moen in length “Of | 
variations in length of 
bars at fe reeving poin 
, glacial- art i in nthe Upper 
be Lars amie group, 2 
Green Ever C 3roup in eo nt 
non-marine fossil rp Det 
co Gh geology of Pike: end ee 
oe’ Counties, Penn., 471. 
Wh itfield, i re 4 age of Bernardston 
rocks, 3 
Whitney. 7 ‘D, Climatic Changes of lator 
Geolo gical Tim 
ee Gy caer ‘Téehinoloey, 
atime EE: S,, fauna of the Chemung 
group, 
Lime Creek beds of Towa, 311. 
“ore N. H., Minnesota.’ oe 
155. 
Woodward es variations in length | 
of bars.at freezing — 448. 
Young, C. A., observations of the transit 
of Vout 
Yttrium, sebade weight of, 381. 
Zinc. 1 direct formation on 76. 
Crhugiiie: ct the. Canon Sea, 238. 
peer ods — on ‘of - the» oe 
yea fauna of, 83. fia? 
Meloé, antenne of, Hill 137. 
Oceanic life, distribution f.. 
‘ Rhi genus of, Brady, 84. 
ha a ot 8 N. “Amerie , Grote, 210. 
Ch 
Uloboras, bee webs of bleh 203. 
a oaaosne under GEoLoG 
