INDEX. 
Muir, saline solutions on ~~ 411. 
ae a. national, Bulletin of, 42 
new American sclantities 76. 
= 
nn, 0. F., Min gs 42-4. 
a 
den 
esis and munis of 
d, 327. 
ewcomb, S., mean motion of the moon, 
New astronomical notice, 74. 
New Y Tork, mera of Natural History, 
Nickel, cast, analyses of, Gard, 274. 
in pyrrhotites and mattes, Cheney 
magnet of, 4 
Niemann, ronticn of ysis to satabtes 
in urine, 
— platoiodnitrites, 14 
Nitsche, H., zoological dine 500. 
OnitvuARY— 
tained vty ation of carbon 
dioxide hate 
Parrefio, G., manganese n ores, 4 18. 
Pengelly, W., cavern sadestcbeet in Devy- 
onshire, 299, 387. 
Perkin, pcan of coumarin, 67. 
Peters, C. H. F., observations of comets, 
60; a new planet, 429. 
Phenan' 
Phenol, acids obtained from, 151. 
Phosphoric popes action on tungstic | 
oxide, 
melee image, new developers of, 
49. 
521 
Phyllic acid from leaves, 483. 
Physics, new results in, 486. 
girs W. Wot distant oe visible 
from 
69. 
. Penn., 69. 
Polaris expedition, ‘narrative of, 245, 
Polarization, — etic rotatory, 417. 
Potassium, separation from sodium, 418. 
Pringsheim, germination of mosses, ae 
Pressure, effect on chemical action 
. 
Radiometer, Cooke, 2 
Rath, G... v., ies Mittheil- 
424, 
ungen, 
Rehs, phenantbrol, 414 
Richar rds, E. W., e stimation nickel in 
Rouyaux, J. A., chronometers, 164. 
Salicylic acid, new method for, 66. 
Schloesing, separation of : potassium from 
sodium, 418. 
Schorlemmer, aurin, 
Scudder, S. = "sexual denoupnie in 
butterflie 
insects in F Auoationt Tertiaries, 322. 
eee insects of Quesnel, 322. 
Sea, see 
Seeley, iH it, Vermont board of agri- 
culture, report ‘of, 78. 
An 
Semper, C., atomical publications, 
Wirtzburg, see 
She collec Amherst Coll., a3 
ness 
a haloids, riteee Foo 
., bituminous — 33. 
‘Smith, 's Ve meteoric stone 
a ite, Oa: 
s in North Carolina samarskite, 
Smith, W., ween insoluble 
carbonates pon gee oxalates, 482. 
Smithsonian report for 1876, 432. 
Soil, oe ion of bases by, ‘Armsby, 26. 
Soret, ny ea spectroscope with a fluo- 
Spang, H. W. Sonning: protection, 77. 
