CONTENTS OF VOLUME II. 
NUMBER VIL 
Art. 1—On some phenomena of Binocular Vision; by J. Le 
~ 
oe ee RY WV MA ee eek s ccs ee 10 
I1.—The Glacial Features of Green Bay of Lake ‘ae 
with some observations on a former outlet of Lake Supe- 
rior 
IV, Bat tet Se Cireuit of Generations ; by T. C. Hinearp,_- 
V.—On the application of Photograph ie hia determination 
of Astronomical data; by Asapn Hart, ----..-------- 25 
NE. 7 ae a new Fluoride idm: ‘Arkwat Ford ; by 
i) 
o 
v1 —Notes on in the Primordial Rocks in the vicinity of Troy, 
ys ONG oe Ss oa oe eee ea 33 
VIL. Note of. some nes Fossil Mammals from the Tertiary 
O. C. M 35 
IX. — Oonketuatiins to Chanieneg from the Laboratory of the 
awrence Scientific School. No. 16.—On the Atomic 
Weights of Cobalt and Nickel; by R. H. Les, --..---- 4h 
be —Note on the Spectrum of the Corona; by C. o Youne, 53 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics.—-Note on Para-sulphobenzoic Acid, Ira REMSEN, 55. 
Geology and Natural History.—Mineral Rae g ts in Fossils, T. S. Hunt, 57.—Mas- 
todon Remains in seid New York, B. G. WILDER: Fucoids in the ‘Coa | Meas- 
ures of Iowa, Prof. Wu : Phosphatic Sands i in South Carolina, C. U. SHEPARD, 
58.—CovEs on Rakes peabeth fame incl ig pie to “Annélides ché- 
topodés an Goife du Naples,” 61-—-Diapensiacess, 62.—Form ead Sealpture’ of 
Seeds: Hypocotyledonary > heey 63. 
Astronomy.—A eee Meteor, R. H. Taurston, 63. 
Miscellaneous Scientific Intelligence—On the influence of a covering of Snow on 
Climate, A. Worms : ientific Expedition from s College: De- 
Seription of a Tide-Gauge for cold climates, J. M. Barc American 
Weather Note: ASE, 68.—European and American Rain-falls, P. 
Cuask, 69.—Discove: e Animal of the Spongiadse rs 
70.—A new attachment for Lan 71 —Report on iced cand — a 
tals, descriptions of Military Posts: Captain Hall’s 
The so-called ‘ Seawall 73.—Party of oration under cot "Hayden, a 
—Survey of the Great Lakes: Geological Survey of 
Tertiary, 75 viens: of Kilauea, Hawaian Islands, 76. 
Miscellaneous Bibliography.—Smitbsonian Contribution: , Vol. xvii: 
Manual of Geometrical and Infinitesimal Analysis, B eater: teats 7 6. 
Appenprx, Letter of B. A. Gould, 77; Expedition of Prof. Marsh, 80. 
