454 INDEX. 
RF Mantell, G. A., pictorial atlas of fossil re- 
Jackson, C. T., geological report of Lake ee 298. 
Sones sores “stone eee Marbles spear wet of ser rts 
arate ee ee Mathemat ical problem, by pate Deva Shas- 
J er, G., on sugur in Rhododen ndro tr 
Joh nso, W. R., on the strength of Taalding Mathematics, iF calculus of operations in, 
dora “Of Acad. Nat. Sci. Philad., vol. ii, Maier, W.W. Western Agriculturalist edi- 
Part i, 149. op 302. 
K Mengite, 229. 
Kentucky Mammoth Cave, B. Silliman, Jr., Metals, tenacity 0 of, 1 43. 
Meteor, see Shooting Sta 
Kirkwood’s, law, E. Loomis on, 217. Meteorites - Tubbah pose, Hissar, County 
Kirkwood D., \aw of rotation of planets, 394.||_ Down, lowa, Seneca Co., N. Y., 36. 
|IMeteoroiogieal observ ations at Beloit, 345. 
L. bs lieeiey ton, 1850, Z. Thompson, 435. 
nut ee 1*50, Hildreth, 239. 
nore nde yond ay Meteorology - Mammoth Cav e, 334. 
Taming, Senne nteation of coa = ico, ithe ‘ent of Po odeapett' in, 266. 
Mica wit pe ‘ 
Lane, w of induction ‘of sen eur-|| ariii6 pe sib of building stones, 7. 
rent on it thelf if Mietal aie 55. 
taken 8. and rostegroigicl sei ahdiiie Beal sorted P. Hubbard, 423, 
at Beloit, for cabinet of. for sale, 442. 
eget rs a Red cs and Mediterrane- Deitink 26) Meek iyatte,: $90; Apa- 
Leuchors = ig une baie ean teins ian 2 eerie tee Heoteia ‘ 
Light, evolved at oo galvanic pole, 252. = Chianie,: ee Chilrite Se ee 
. as : 
Lignite of Spai ne 
imestone, ani of a Maryland nig § ry tulte, 226 ; Sey id. es ¥ ie 
of, called sh i deseo "LD. G Lae ppt Eee eee Ve 
inck, r., death of, mery, 55 ; pplerite, 225; Emery, 53 ; 
. # : Emerylite, 59; Ephesite, 59; Feld=par, 226; 
» Liguetactio on af gases, 252. yiite, Jo; Ey a) Patconts 
an, D. E. ot of wolisiead aanvew of Gabro Rosso, 206; Garnet 226; Gibbsite, 
Si. .)0hCU Yo!) 121; Gold of Darien, 118; Gold of Ireland 
mt 3 f ; Huinboidtine 
ena 4 Wo satel: prices of, 278. 932; td of Coe 117; Hi ‘ 
Loomis, E., on Sea eeand’s law, 217. 231; Hydrargillite. 55, 267; Irite Crystals, 
tae aan by, on Progress of Astronomy, no- a) | siemens fi ee Maui, 121 oe 
Soastchdg Archipelago, observations on, 439, (Muscovite,) 625 ‘Nemalit, ae gus 
M. of tron, 231; Pirehstone Porphyry, 401 
Pholerite, 58 ; Polyecrase, 230; Polymigniie, 
Macgowan, D. J., coal of China, 235, 230; Pyrochlore, 229; Quartz Crystals, 
Madder, mages principles of, 109. 423; Red Antimony, 23] ; Spinel, 53 ; Men: 
tinge 5 gite, 229; Titanic Iron, 65; Tou aaa 
netic an lit f oxy-/| 257; Triphyline, a mineral near, from Nor- 
n, &e., "Fare. w, 4 wich, Mass., 99, 100; Rutile, 228 ; Samar- 
eb. ofa sp get Foradey, 413. skite, 229; Sismondine, 64; Staurotide, 
5 condition gen, Fara-| 226; Tin ore, 232; Titanic Iron, 231 ; 
: day, 276. Triphylme, 231; Vanadium Minerals oe 
Magnetism, law of intensity of, in soft iron,| Lake Superior, 233; Variolite, 227 ; 
wickite, 352; Wolfram, 230; Wollas' efi 
penetration of, into soft iron, 105. 227; Yttroimenite, 
Sturgeon’s discoveries in, 445. Mineral pring 2 at ‘Canada, 174, 
Magneto-electric machines, contrivance in iiMine ralogica ay es, 225. 
called “Aganyhy first br rought forward by. Mineralogy of 7D. tines errata of, 232. 
Prof. Page, 44 vel of current in tel 
Magnets, elevto-atraction by, 418. 69. “te: — 
. prices of Logeman’s, 278. lich, action of bitter almond 
Pendle. A se system, 116. 
b = evolved at negative 
es <a ee sere 
ss t 
