Author Description

This is a reproduction of a book published before 1923. This book may have occasional imperfections<br/> such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact,<br/> or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections,<br/> have elected to bring it back into print as part of our continuing commitment to the preservation of printed works<br/> worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.<br/><br/><br/><br/> ++++<br/><br/> The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification:<br/><br/>++++<br/><br/><br/> Leopoldina, Volumes 40-44<br/><br/> Deutsche Akademie der Naturforscher<br/><br/> Nature; General; Nature / General; Science; Science / Philosophy & Social Aspects