CONTENTS OF VOLUME XXVI. 
NUMBER CLL. 
P. 
Art. I—Genesis of Metalliferous Veins ; by Jos. LeConrx, 1 
i —Evolution of the American Trotting Horse; by F. E. 
HER, 
“TH —Baming of Lignite in situ; by C. A. War 24 
IV.—Par morphic Origin of the Havibiende of ‘the Crystal- 
line Hooks of the Northwestern States ; ; by R. D. Invine, 27 
V.—The ee and Waterville Meteorites ; by M. E. 
W ADSWORT SA is cay uk ee aes eee ee 32 
VI. + Sige method of correcting the weight of a body | 
for the Buoyancy of the ewer out. when the Volume 
is unknown; by J. P. Cooxx,...-...- 8 
VIL.—Recent investigations paged ee the Southern bound- 
ary of the Glaciated Area of Ohio; by G. F. Wrieut,. 44 
ss Pid aca of the Specitic Heat of Water; by G,. A. 
’ SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics. —Variability of the Law of Definite LS ons, Bour- 
LEROW, 63.—Platinized Magnesium as a Reducing Agent, Bano: ‘New Syn- 
LeGier: Curved te gratings, R. T. Guazeprook: Regeneratiye theory 
of Solar action, E. H. Cook, 67. hase of Pressure on age setting b oy #4 of ice: 
ectro-technische Bibliothek, 6 
2,—Dinosaurian of the Laramie or Lignitic Group: typ anc Historical and 
Geological Society: Sapphire from gene @. F. Kunz, 75.—Exp note 
ying oti ing “ eng — W. Cross: Minerals of New South Wales, 
A 76. 
Botany and i. Mbonogripiia Festucarum Europzea’ - BE. HacKeEu: Atlas — 
de la Flora des Environs de Pari Sa eetaconne St. PrerRe: Com- 
: pale : 
notations, F. v fa uoeame 4a —Dredgings of the Steamer “ Blake,” 7S. 
merican Journal of Science and Arts > Note ee 
leis athe 
alleged Earthquake of Sept. 7, at Caraccas, A. ERNST, 79.—Royal Society 
ec hance sles + meee at i Sie saci ot Hane a 
