THE 



DESCENT OE MAN, 



AND 



SELECTION IN RELATION TO SEX. 



CHAKLES DARWIN, M. A., R R. S., Etc. 



WITH ILLUSTRATIONS. 



IN TWO VOLUMES.— Vol. I. 



NEW YORK: 



D. APPLETON" AND COMPANY, 



549 & 551 BEOADWAY. 



1871. 



