LEXICON OF TERMS 



USED IX 



NATURAL HISTORY, 



PREPARED FOR 



SCHOOLS, COLLEGES, AND FAMILIES 



BY 



W. S. W. RUSCHENBERGER, M. D., 



VROEON, U. 8. N.VVY; MEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY; OF THE ACADEMY 



OP NATURAL SCIENCES, PHILADELPHIA : OF THE AMERICAN ASSOCIATION FOR 



THK ADVANCEMENT OF SCIENCE; icC., iC. 



PHILADELPHIA: 

 CLAXTON, REMSEN & HAFFELFINGER, 



819 & 821 MARKET STREET, 



1871. 



