Table of Contents

July 1886; Volume s3-32,Issue 187

Paleobotany

You have access
Memorial of Edward Tuckerman
Asa Gray

American Journal of Science July 1886, s3-32 (187) 1-7; DOI: https://doi.org/10.2475/ajs.s3-32.187.1

Seismology

You have access
Notes on American earthquakes; Part XV
C. G. Rockwood

American Journal of Science July 1886, s3-32 (187) 7-19; DOI: https://doi.org/10.2475/ajs.s3-32.187.7

Stratigraphy

You have access
Observations on the Tertiary and Grand Gulf of Mississippi
Otto Meyer

American Journal of Science July 1886, s3-32 (187) 20-25; DOI: https://doi.org/10.2475/ajs.s3-32.187.20

Igneous and metamorphic petrology

You have access
Notes on the volcanic rocks of the republic of Salvador, Central America
Arnold Hague and J. P. Iddings

American Journal of Science July 1886, s3-32 (187) 26-31; DOI: https://doi.org/10.2475/ajs.s3-32.187.26
You have access
On some general terms applied to metamorphism, and to the porphyritic structure of rocks
James Dwight Dana

American Journal of Science July 1886, s3-32 (187) 69-72; DOI: https://doi.org/10.2475/ajs.s3-32.187.69

Invertebrate paleontology

You have access
The genus Strephochetus, distribution and species
Henry Martyn Seely

American Journal of Science July 1886, s3-32 (187) 31-34; DOI: https://doi.org/10.2475/ajs.s3-32.187.31

Areal geology

You have access
Preliminary report on the geology of the Cobscook Bay District, Me
Nathaniel Southgate Shaler

American Journal of Science July 1886, s3-32 (187) 35-60; DOI: https://doi.org/10.2475/ajs.s3-32.187.35

General geochemistry

You have access
On the well spherometer; an instrument that measures the radius of curvature of a lens of any linear aperture
A. M. Mayer

American Journal of Science July 1886, s3-32 (187) 61-69; DOI: https://doi.org/10.2475/ajs.s3-32.187.61