Schenk's Theory: The Determination of Sex, by Samuel Leopold Schenk 47185 [Link: http://www.gutenberg.org/4/7/1/8/47185 ] [Files: 47185.txt; 47185-8.txt; 47185-0.txt; 47185-h.htm] Thanks to Donald Cummings, Bryan Ness and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) Regards, Al