520 
Tron ores, amount of ee ok » 418. 
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—_ siden} deposition of, Wright, 
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mse sae — 
arse 246. 
specail ie a ihe 219. 
Meteorol contribution aae 1. 
., density of vapore 
8. a, Amattiels aoe fossils, 
NERALS— 
Autunite, 496. 
Coloradoite, ae 
thet St 
Fe ee Sade new mga of determin- 
a5 
Ferrotellurite te, 424. 
Garnets from er of New Haven, 
Jonn., 
Gummite 
Huse tte cain a 
Hetzerolite, Moore, 
Labradorite ¥ Mt. Maivy, 24). 
oli 
Weel estimation of, 17 
Samarskite of North oaroinn 71, 509. 
analys' is of, 71, 
pen Mallet, sat. 
Spheerocobal 
Sylvanite, pes tat eo ap 286. 
Tantalite pry Alabama, 
Mixter, eth Sager ome epee aes 
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Moon, mean motion of, New —_ 401. 
motion of the igen aoe 
core, G. £., on hetzerolite, a neeionese 
species. 
ount Washington, points visible from, 
331, 
