SOME ABORIGINAL SITES ON MISSISSIPPI RIVER. 373 
The reader is referred to a recent publication of the Bureau of American 
Ethnology for а full and interesting account of the aboriginal tribes of the Lower 
Mississippi Valley '—this region, of course, not of necessity coinciding as to bound- 
aries with the one to which the same name has been given in order to facilitate 
descriptions of its pottery. 
All measurements of objects described in this report are approximate, and 
reduction in size in the illustrations of them is linear. 
Dr. M. G. Miller, who, as anatomist of the expeditions, has taken part in all 
our previous field work and in putting all our reports through the press, aided the 
investigation again this season. 
Mr. S. G. Weir, as assistant, gave valuable aid in a number of ways, and Cap- 
tains J. S. Raybon, commander of our steamer, and Hugh W. Nixon of Memphis, 
Tenn., a Mississippi pilot since 1850, contributed to the success of the expedition. 
The thanks of the Academy are tendered Prof. F. A. Lucas for the identifica- 
tion of bones of lower animals; Dr. H. A. Pilsbry and Mr. E. G. Vanatta for deter- 
mination of shells; Mr. F. J. Keeley for identification? of minerals and rocks; Dr. 
H. F. Keller for chemical determinations; Mr. Stewart Culin for valuable informa- 
tion; Miss H. N. Wardle for suggestions, and aid with the index; and Mr. F. W. 
Hodge for literary revision of the report. 
The Academy also wishes to express its gratitude to the owners of plantations 
along the Mississippi river and various dead rivers tributary thereto, who, without 
exception, in the most liberal manner, placed their property at its disposal for 
investigation and most courteously did everything in their power to insure the suc- 
cess of the expedition. 
We shall now take up in detail some of the sites investigated by us in this 
season’s work, as a rule including only such as yielded tangible results, though 
many other sites, as we have said, were visited and a number were dug into by us, 
some to a considerable extent. 
1 John R. Swanton. Bulletin 43. “Indian Tribes of the Lower Mississippi Valley and Adja- 
cent Coast of the Gulf of Mexico.” 
° For obvious reasons we have not furnished sections for the microscope, cut from objects sub- 
mitted to Mr. Keeley, who consequently has not been able to make as exact determinations as he other- 
wise could have made. 
