672 
NATURAL HISTORY ILLUSTRATIONS. 
PREPARED UNDER-THE DIRECTION OF LOUIS AGASSIZ AND SPENCER F. BAIRD. 
1849, 7 
SIX SPECIES 
OF 
NORTH AMERICAN FRESH-WATER FISHES. 
SIX LITHOGRAPHS FROM DRAWINGS BY A. SONREL. 
EXPLANATION OF PLATES BY DAVID STARR JORDAN. 
CITY OF WASHINGTON: 
PUBLISHED BY THE SMITHSONIAN INSTITUTION. 
1889. 
