INDEX. 
Pi 
Painting, metallic, Oudres, 
471. 
— #., crystallized silicon in pig-iron, 
Decibphindel of iron in —, 
paneer a(?) James sii, J. 4 ge ane, 295. 
s, Carte Agronomique des isis ae Roepp vr, W. Z., thallium in fu 
rnace pro- 
BEL ein obituary of, 155. dncts, 4:20. 
i a 
Pasteur, member of French Academy, 303 rg C., Plenrodyctium problemati- 
Pear obituary 55. Leptocerlia Boi 
shay 0. N., 
Peat-sandstone, J 
Peirce, C.S., chemical ‘theory of interpene- 
ration, 78, 
Pennsylvania, magnetic survey of, A. D. 
Bache, 359. 
Pe nobsto 
ot-bay glacier, 249. 
, d., ‘Metallur: rey, noticed, 118. 
Perini hes ee ife sig species com- 
mo 
Philadelphia ‘Acad. oC Nat. Sci. 
ing 
Peotone, raphie considerée comme art et 
comme neste Mager et Pierson, 269. 
PHOTOGRAPH 
— of light on sensitive plate, Vidal, 
» proceed- 
Formula for collodion, Jeanrenand, 419. 
Globe lens fer camera, C. Sellers, 319. 
Physical mbit aphy of Mississippi basin 
Humphreys and Abbott’s Report, 938,” 
Platinum ah platinum metals, *956" 
bree die problematicum, C. bees 
Portland Soe. of Nat. Hist., ame 
carbon for for Pedoaeat 
re of wood 
Prisms of bisu Lae of 
eet din 
|Rutherfurd, L. 
a, S4. 
appearance’ produced by re- 
volvin ig disk 7. 
Bisulphid of carbon prisms for spee- 
tral analysis, tae 
stronomical observa- 
tions tho peer Ray 3 
Companion to Sirius” stellar spectra, 
and ioaenaens, 407. 
St. Francis river aiid 
1 227. 
Schaeffer, “, origin ‘of nitrites, 409, 
Scheerer, arsenide of co per r, 296,” 
Scheurer-Bestuer, ncipes Elemen- 
taire de la Theorie Chimique des Types 
liqnée aux Combinasions 
ed, 270. 
| sent ve allotropie fi ee of oxygen, 111, 
of hydrogen, 
Semacin of ni itrite of ammonia, 113. 
preparation of ozone, 
sar hge 
G. ‘ane pise tien Pg 
Pro iin of the History, Structure and! 
Geen, of the Lucernarie, H. J. 
‘siomaaces pean lated 
ZOans, OC related to sponges. 
J. v ban + Cy ponges, 
cher, ee Flore Canadienne, etc., 
noticed, 445. z = 
ists, history of, = = unt, 15 
analysis of, Whitney, 
Q. 
Quetelet, A. Sur la Physique du Globe, 
reviewed, 152. 
RB. 
Ramsay, A. 0, x wlaciat one lakes, 324. 
, urine 0 
+ ee #. - Hunt, sO 
e of Caye 266. 
sere ) + ae 
of ‘finid homologous com- 
pounds, oat of ndolt, 45. 
Renwick, ary “x Reirpreape of, 306. 
Payot Sikes, =v appenrances produced by, | 
Schultz, Heo % chemistry ‘of germination, 
noticed, 290. 
MF pete of International Exhibition, 0. C. 
‘ar: 
| Sédillot, istoire a Hn noticed, 269. 
‘Seemann, B., vegetable ree Naar of Fiji 
Islan  aeteea 
gas ri for photographic. 
camera, 
Senarmont, bituary, 260. 
¢ Sheffield iaoiatory ‘Contributions, 94. 
eal Shooting sar re of, in the higher plants 
ca, occurrence of, in the er 
S. W. Johnson 
erent crystallized, in pig-iron, R. Rich- 
Sillima B., Jr., note on Quetelet’s Phys- 
ique ae Globe, 1 
book notices, 184, 146, 152, 303, 304, 
~ National Academy of Science, =. 
obituaries 
technical chemistry, 233. 
spectroscope, 408. Ss 
ee presibicise sex 9% of, oe enefurd, Reich, 119. 
rius, companion to, Z. M. 
Preiged vgn explorations en; 
| 
cedings. 
caw 
oD aaniyels of, De Ruther- 
fu og 
spect Fzean— Gibbs, 414. 
polls, sri, of, A. Miiller, 292. 
peers spe in, Merz, 413. 
lubil cage Dictionary of, FH. Storer, 303, 
- netp of ice on inland waters, RF. 
Tarrison, 
Lagroeet and Harve , Flora Capensis, no- 
Reich concentration ¢ of silver in lead, 119. 
irons, 120. 
Fim study of, Alph, DeCandolle, 431. 
