TUE INTERNATIONAL SCIENTIFIC SERIES. 



Al^IMAL LIFE 



AS AFFECTED BY 



THE NATURAL CONDITIONS OF EXISTENCE. 



BY 



KARL SEMPER, 



PROFESSOR OF THE UNIVERSITY OF WUHZBURG, 



WITH TWO MAPS AND ONE HUNDRED AND SIX WOODCVTS. 



NEW YORK: 



D. APPLETON AND COMPANY, 



1, 8, AND 5 BOND STREET. 



1881. 



