CONTENTS. Ve 
oe —— by J. W. Beat: Contribution to oy Flora of Iowa, by 
G.C. A R: Locust oa - 1874, 156.—Monograph of the Geometric Moths, 
by A, SP Pamela , 157.—Tabulate Corals: Rafinesque’s Ichthyologia Ohiensis, 
: Ophiuri 
Syno of sens Tas D vs Ti 
and Astrophy tidee, T. LYMAN: Bulleti of the U. S. National Muse 158 
Miscellaneous Scientific Intelligence.— Oceanic ah iors Wo. 159. 
—Reclamation: Men of Science, from abroad, at the U. 8. International Exhibi- 
tion, 161.—Connection of the Caspian and Black Seas: Geographical Survey of the 
State of N. Y., 162.—Appalachia: Am. Association for 1876: Physical Cacgiaghy, 
by E. J. Houston: Proceedings of the ee ramped of Natural Science: 
Kansas Academy of Science, 163.—Akl, 1 Porter Poinier, 1 164, 
NUMBER + LXIX. 
Art. XXT.—Gases contained in Meteorites; by A. W. Wricur, 165 
XXII.—Schenbein’s Test for Nitrates ; by F. H. Srorer, .. 176 
XXIII.—Note on the double decomposition of Potassic Bro- 
IL eye 
mide and Sodic Chloride; by J. Fy Gosoou. 28 0 
XXIV.—Note on Erosion; by James D, Dana, ---- ------- 92 
XXV righ list of Rocks observed in the Huronian 
Series, south of Lake Superior ; BROOKE, 6.05 94 
XXVIL. ap Seilaath ee ee of new Double Stars ; by S. W, 
N . ts, oee Ue 
XXVIL — Account of : a new ; Meteoric Stone; by we: MITH, 207 
XXVIUI.—Five new Variables, and a * Plank pee at 
the Litchfield Observatory of Hassles College; by C, 
ETERS, o-oo eae ee eae eae es == +: ~*~ 
XXIX.—On the Relation of a axaungy to the Spinel Group 
of Minerals; by GrorcE H. Seyms, ------------------ 21 
SCIENTIFIC INTELLIGENCE. 
Physics.—Thermic formation of Ozon nga yg aun eh 212. PP rai 
it 
Ca 
Bromine in Organic Co Ss, U 
HEIMER, 214.—Synthesis of Allantoin, GRIMAUX: ssure Manometer, M. 
L. CAmLETET, 215.— on Lake Geneva, FoREL, parr poo, of the Ether, 
M. Hicks: Specific Heat of Gases, M. M. Kunpt and W RG, 217. 
eology eological Survey of Canada, A. R. C. fey 218.— 
eological and Geographical Survey of the Territories, VV. 19.— 
Report of the Exp! tion from Santa Fé, New Mexico, J. N. Macoms, 
220.—Re Explorations across the Great Basin of the Territory of , 
J. H. Smapson: Fossil marine plants from the Coal-mea REUX, 221 
Pers Ss. « the Ashley Phosphate Beds, Lempy, 222.—Fi - 
mains of the Shales. Lerpy: Rheetic Strata o dro, in 
e rol, T. DALE, Jr.: Mammalia and Traces of Man found in the 
bin-Hood Cave, W. Borp Dawkiss, 223.—Evidences onts in Per- 
lsewhere in South Afriea, R. OWEN, 224.—Silurian dio 
chlorite, sla se in Newfoundland, 225.— 
ef-building corals in the Tasmanian Tertiary: Carboniferous Pulmonates, 226. 
B the Swedish Paradoxides beds of Swed y 
of Brazil p of Illinois: Report on the Chemical, Minera 
icrosco chara Lavas of Vesuvius, 8. Haveuron and E. H 
cters ¥) 
227 eee relations of the three types . Paresssaciaomyy, M. Tachae 
ZEAUX, 229.—Die Mineralien Badens nach ihrem Vorkommen, G. Leonuarp, 
