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Reprint of the original, first published in 1873. The publishing house Anatiposi publishes historical books as reprints. Due to their age, these books may have missing pages or inferior quality. Our aim is to preserve these books and make them available to the public so that they do not get lost.

During the interval between the lst and 2d series two pamphlets of Proceedings were published, 1880-1881, relating to the Jeanette Arctic expedition; also the 2 vols. (8 nos.) of the Bulletin, 1884/1886-1886/1887.

Excerpt from Proceedings of the California Academy of Natural Sciences, 1858-1862, Vol. 2 The question is often mooted in our courts, whether the age of a tree can be determined with any degree of accuracy by referring to the rings or growth of the wood. F rom the observations I have made during a period of twenty years, or more, I have long since been convinced, that as a. General thing each ring or growth of the timber represented a year of the existence of the tree. The specimen presented this evening, goes to substantiate more clearly, my previous conclusions. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

"Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794.