CHRONOLOGY xvii 
1843 
Yellowstone River Expedition. 
1840-44 
Published the reduced edition of his 
‘¢Bird Biographies.”’ 
1846 
Published first volume of ‘‘ Quadru- 
peds.’’ 
1848 
Completed Quadrupeds and Biography of 
American Quadrupeds. (The last vol- 
ume was not published till 1854, after 
his death.) 
1861 
January 27. John James Audubon died 
in New York. 
