y^f 



1869 



CITY OF NEW YORK 



AMERICAN MUSEUM OF 

 NATURAL HISTORY 



"3ter ttj? purpose nf ^aiahltBlftng 

 anb maintaining in aaib rity a 

 Huaeum wxh Htbrarg nf Natural 

 Sftatnrg; nf enmuraging ani> btwlnp- 

 ing tlj* aiufcg nf Natural £>timt?; nf 

 abtmtuittg tlj* g*n?ral knmule&ge nf 

 kinfcrrii auhjerta, anil tn iljat tnh 

 nf furniaifing jrjppular matrurtinn/* 



\\\ vtSUJ d, Ad' ! &ff;%(&- INCORPORATE THE AMERICAN 



MUSEUM OF^A^URAL HISTORY^ APRIL 6, 1869 



\^*S 



¥/*? 



FIFTY-SECOND ANNUAL REPORT 

 FOR THE YEAR I920 



Issued May i, 1921 



