
This is a reproduction of a book published before 1923. This book may have occasional imperfections
such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact,
or were introduced by the scanning process. We believe...


This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original...

This volume compiles issues 36 and 37 of the "Carnegie Institution of Washington Publication," offering a valuable glimpse into the scientific research undertaken by the institution in its early years. Founded in 1902, the Carnegie Institution played a pivotal role in advancing...