Cassell's Natural History, Vol. 3 (of 6), by P. Martin
   Duncan            63592
     [Full author: P. Martin Duncan and A. H. Garrod and W. S. Dallas and
   R. Bowdler Sharpe]
     [Link: http://www.gutenberg.org/6/3/5/9/63592 ]
     [Files: 63592-0.txt; 63592-h.htm]
   Thanks to Jane Robins, Reiner Ruf, and the Online
   Distributed Proofreading Team at https://www.pgdp.net (This
   file was produced from images generously made available
   by The Internet Archive)
   Chuck