492 INDEX. 
J 
Jacobi, ange Mes reduction of iron, 380. 
Johnson, S. W., chemical notices, 136 
Jones, e chemi al text book noticed, 322. 
Jun naples ch, otessbocaseee of right tar- 
oid in e, 134. 
amie ne on peciack. Mitchell, 454. 
K 
ekulé os Franchimont, triphenylme- 
thane, 1 
Kobell, rt vn os for determining 
— notice 
Koen A., Boiler incrustation from 
ve Jers ey, 2 
Kokscharow, saeacadlighosd work no- 
ticed, 140. 
Landenburg, triethylmethane, 13 5. 
Landolt, method of determining molec 
lar So from the vapor volume, 65. 
Le Conte, J., note, 15 
ancient poet Re of the pores al 
earth- 
formation of ~~ surface 
ply to Hunt, 44 
Leets, new oo ot forming amides an 
Marsh, 0. C., new gr ae of fossil 
ind (Odontornithes), 16 
m Cretaceous ae N. Amer- 
‘ie r tess 
dates of some of Prof. Cope’s re- 
sec papers, 235. 
itional observations on Dino- 
cudata 
supplementary note on Dinocerata, 
Tertiary mammals, 407, 485. 
return of aera expedition of, 11. 
Ma J. H., Manual of microscopic 
ice 
Mayer, rmination of the ag 
. i, dete 
tive intensities of sounds, etc 
effec etization in Penk or 
the coma s of iron, steel and bis- 
— pee 
ce for projecting deflections of 
galvanome 
gs Magnet, praiate 157. 
ik FB Cre party ie Fics a 
S n ee fossils from 
nha, C., determination of the 
height “3 aie liquids may be hea 
nitrides 3, 
Leidy, 
of ‘Vira 
aie of n beds in 
Wyoming. ee Ph to ‘as rear oO 
Cretaceous, 308. 
cerulign 
Lightning erition ane multiple charac-|| 
of flashes of, Rood, 
Liquide, height to which thes fd be 
heaped above of a vessel, 
Me hall, 1 
monte t J. x. “nee of sun, no- 
ticed, 236. 
a erratum in Sang’s, 
is, E., instances of low iconecd 
at New Haven, 238. 
comparison - bits of magnetic’ 
declination and number of auroras 
with extent of site: on sun, 245. 
M 
estimation of as pyrophos- 
Magnesium. 
phate, Gre, 114, 
Magn ion, offects of, in rt the 
msions 0: ee bismuth 
hire; ete., AAeie 
TZ, fossil =a age from Miocene 
Me 
M 
Mallet, R., origin of a of voleanoes, || 
etc., 140, 219. 
history of 
C 
ky, 318. 
dou of Feb. 14, 1873, 318. 
1 
Meteoroids and aé vie oe: Bis of, 482. 
Mete 
teors of Nov. 24-27, 1 2, Newton, 63. 
and = comet, sot 
as observed in Italy, Denza, 36. 
in seh 150. 
selnernae observations of, 481. 
| MINERALS— 
Anglesite, compact, from Arizona, 
Borate of lime, Se ae Chase, 287. 
Diamond, large, 3 
Diamonds, in hydrate —_ in 
Cali acs ges Ss 
Chladnite, 
Crypiomorpite, Chase, 287. 
Ensta 107. 
Pigehblonde 3 in Colorado, 386. 
Tellurium ores in Colorado, 386. 
Tin in oe Gregory, 137. 
Trautwinite, 3 
Mitchell, M., observations on Jupiter and 
N 
Naumann on hism, 312. 
Caatery J, 5, gas wells, 225. 
