ACAD. МАТ. 
er 
wk 
21. 
PHILAD., 
2 
т 
1 
ND. 
SEIN, 
VOL.. ATH. 
CERTAIN MOUNDS OF ARKANSAS AND OF MISSISSIPPI. 
NEAR OLD RIVER LANDING, VESSEL NO. 45. (FULL SIZE) 
COCKAYNE, BOSTON. 
PLATE XVII. 
