Table of Contents

August 1877; Volume s3-14,Issue 80

Extraterrestrial geology

You have access
Discovery of oxygen in the Sun by photography and a new theory of the solar spectrum
H. Draper

American Journal of Science August 1877, s3-14 (80) 89-96; DOI: https://doi.org/10.2475/ajs.s3-14.80.89
You have access
A proposed new method in solar spectrum analysis
S. P. Langley

American Journal of Science August 1877, s3-14 (80) 140-146; DOI: https://doi.org/10.2475/ajs.s3-14.80.140

General geochemistry

You have access
On the theory of the action of certain organic substances, in increasing the sensitiveness of silver haloids
M. Carey Lea

American Journal of Science August 1877, s3-14 (80) 96-99; DOI: https://doi.org/10.2475/ajs.s3-14.80.96

Stratigraphy

You have access
On critical periods in the history of the earth and their relation to evolution; and on the Quaternary as such a period
Joseph Le Conte

American Journal of Science August 1877, s3-14 (80) 99-114; DOI: https://doi.org/10.2475/ajs.s3-14.80.99

Invertebrate paleontology

You have access
Notes on the internal and external structure of Paleozoic crinoids
Charles Wachsmuth

American Journal of Science August 1877, s3-14 (80) 115-127; DOI: https://doi.org/10.2475/ajs.s3-14.80.115

Mineralogy

You have access
Chemical constitution of hatchettolite and samarskite from Mitchell County, North Carolina
Oscar D. Allen

American Journal of Science August 1877, s3-14 (80) 128-131; DOI: https://doi.org/10.2475/ajs.s3-14.80.128

Economic geology, geology of ore deposits

You have access
On the relations of the geology of Vermont to that of Berkshire
James D. Dana

American Journal of Science August 1877, s3-14 (80) 132-139; DOI: https://doi.org/10.2475/ajs.s3-14.80.132

Miscellaneous

You have access
Note on the exactitude of the French normal fork; discussion
Rudolph Koenig

American Journal of Science August 1877, s3-14 (80) 147-148; DOI: https://doi.org/10.2475/ajs.s3-14.80.147