671 
NATURAL HISTORY ILLUSTRATIONS. 
PREPARED UNDER THE DIRECTION OF LOUIS AGASSIZ. 1849, 
THH ANATOMY 
OF 
ASTRANGIA DAN At. 
SIX LITHOGRAPHS FROM DRAWINGS BY A, SONREL. 
EXPLANATION OF PLATES BY J. WALTER FEWKES. 
CITY OF WASHINGTON: 
PUBLISHED BY THE SMITHSONIAN INSTITUTION. 
“1889. 
