Excerpt from Smithsonian Miscellaneous Collections, 1883, Vol. 27The purpose of this paper is distinctly not critical, and the remarks I have added to, or inserted in, the digest are simply explanatory. I have, however, frequently mentioned criticisms which have appeared in literature when they seemed pertinent.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.

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