Table of Contents

February 1875; Volume s3-9,Issue 50

General paleontology

You have access
Jeffries Wyman
A. Gray

American Journal of Science February 1875, s3-9 (50) 81-93; DOI: https://doi.org/10.2475/ajs.s3-9.50.81

Igneous and metamorphic petrology

You have access
On some points in the geology of the Blue Ridge of Virginia
William M. Fontaine

American Journal of Science February 1875, s3-9 (50) 93-101; DOI: https://doi.org/10.2475/ajs.s3-9.50.93
You have access
Notice of the Chemical and Geological Essays of T. S. Hunt
James D. Dana

American Journal of Science February 1875, s3-9 (50) 102-109; DOI: https://doi.org/10.2475/ajs.s3-9.50.102

Paleobotany

You have access
Do varieties wear out, or tend to wear out?
Asa Bray

American Journal of Science February 1875, s3-9 (50) 109-114; DOI: https://doi.org/10.2475/ajs.s3-9.50.109

General geochemistry

You have access
Communications from the laboratory of Williams College
Ira Remsen

American Journal of Science February 1875, s3-9 (50) 115-121; DOI: https://doi.org/10.2475/ajs.s3-9.50.115
You have access
On the detection of hydrocyanic acid
M. Carey Lea

American Journal of Science February 1875, s3-9 (50) 121-123; DOI: https://doi.org/10.2475/ajs.s3-9.50.121

Invertebrate paleontology

You have access
Brief contributions from the Museum of Yale College; the gigantic cephalopds of the North Atlantic
A. E. Verrill

American Journal of Science February 1875, s3-9 (50) 123-130; DOI: https://doi.org/10.2475/ajs.s3-9.50.123

Vertebrate paleontology

You have access
On the mechanical work done by a muscle before exhaustion
F. E. Nipher

American Journal of Science February 1875, s3-9 (50) 130-137; DOI: https://doi.org/10.2475/ajs.s3-9.50.130