CONTENTS. ' vil 
NUMBER. CXXV. 
| P: 
| Art. XLIV.—Action of Frost in the arrangement of super- 
| ficial earthy material; by W. C. Kerr, . 345 
XLV.—Dall’s Observations on Arctic Ice, and the bearing 
of the facts on Glacial phenomena in Minnesota; by 
a 5 
XLVI. -—Projection of lines of equal pressure in the fps 
States, west of the Mississippi River; by H. A. Hazmn, 361 
XLVIL.—Neumann’s Method of calibrating Thermometers, 
with ver of getting columns for calibration; by T. 
USSEL sO ee ge paesgper co ce ee S52 
XLVI. William ‘Hallowes Miller ; by ‘J. P. Coo wena Bae 
XLIX.—Existence of Ice and o ee "podies in the cok state 
at high Temperatures; by T. CaRNELLEY, -_..-.-.---- 385 
B.-Geology of Peace River Region ; by G. M. Da AWSON,.-- 391 
_  LL—Shadows ops —— the Glow discharge; by H. 
: Fine and W. F. M ie fa "394 
LII.—New form of Galvanonieer: for powerful Currents ; ; 
Phd er ORAOR RES Ucscay st oes oe ele ae 95 
LIL. CAeenas Jurassic Dinosaurs; by O. C. Marsu. With 
seven plates (XII to bare!) ee piece ome epere mer a 8 i: 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics.—Chlorhyd aor of metallic gr bisca de ough eget 396.— 
Characteristic color-reaction of the Sulph- hydrates, © : Composition of 
Sodium Hyposulphite, BERNTHSEN, 397. —Igni ition of, Combustibles by Nitric 
Acid, Kraut: Pernitric aioe BERTHELOT: Atomic i. of Platinum, Sru- 
meh sabia eleare agg formed by Camphor with Alcohol, Bato: Naturally- 
g Mydriatic Alkaloids, LADENBURG: Synthesis of Tropic acid, SPIEGEL, 
400. —Photograp hs of Nebule, M. J. JANSSEN: hon form of Mercury-pump, 
K. AGEN: Absorption of the Sun by th i 
the Atmosphere, fe LECHER, isn Conversion of Radiant Ene 
sit vibrations, W. H. Preece: Tidal friction of a Planet “agents rie 
eral BateRitos. sak on a BvewGas of the Solar System, G. H. 
402 Sing J. LECONTE 
Geolo: 
‘ineralogy. mfiricise and underlying strata in the Section the 
Alps sing the St. Gothard sree 405.—The great fault in the Alps after the 
Carboniferous era, M. Lory, 406.—Radiolarians Shae tenet, paaniew:, oe the 
NT : Fos 
We 
State af Colorado, oF A. Suir, 408.—Grundlinien der Geologie von Bosnien- 
_ Hercegovina: Journal of the Cincinnati Society of Natural History : Geo Mineral 
; ports recently issued, 409.—Lazulite from Canada: Minerals and Minera 
Localities of North Carolina: Durability of Building Stones 
410.—Brief notices of some recently described minerals, 411 gaye of 
: 12. 
Botany and Zoology.—N otes on n Orchidese and on Cyperacese, G. BENTHAM: Germ- 
roma ee Histology of the seedling of beberle tse - O. Bow. tn “412. 
America, re G. — 414, 
Scient: Intelligence. —Distribution of Time = 414.—Changes | 
in water-level of tein on the op of Oregon and California, B. F, DoweLu: 
__ Bibliographie Astronomique, 415.—Report of the Superinte feet of the United — 
States Coast Surve ey, 416. Obituary.—-M. Achille Delesse, 416. 
