The shell represented in [Fig. 46] is the one obtained in grave g. The one shown in [Fig. 47] is that found in grave f.
I shall at present simply call attention to one or two facts which appear to bear upon the age and distribution of these singular specimens of art.
First. We notice the fact alluded to by Mr. Holmes,[74] which is apparent to every one who inspects his accurately drawn figures, that in all their leading features the designs themselves are suggestive of Mexican or Central American work. Yet a close inspection brings to light one or two features which are anomalies in Mexican or Central American designs; as, for example, in Figs. [42] and [43], where the wings are represented as rising from the back of the shoulders, a fact alluded to by Mr. Holmes.[75] Although we can find numerous figures of winged individuals in Mexican designs (they are unknown in Central American), they always carry with them the idea that the individual is partly or completely clothed in the skin of the bird. This is partially carried out in our copper plate, as we see by the bird-bill over the head, the eye being that of the bird and not of the man. But when we come to the wings we at once see that the artist had in mind the angel figure, with wings arising from the back of the shoulders, an idea wholly foreign to Mexican art. It is further worthy of note in regard to these two plates that there is a combination of Central American and Mexican designs: the graceful limbs, and the ornaments of the arms, legs, waist, and top of the head are Central American, and the rest, with the exception possibly of what is carried in the right hand, are Mexican.
That these plates are not the work of the Indians found inhabiting the southern sections of the United States, or of their direct ancestors, I freely concede. That they were not made by an aboriginal artisan of Central America or Mexico of ante-Columbian times, I think is evident, if not from the designs themselves, certainly from the indisputable evidence that the work was done with hard metallic tools.
Second. Plates like those of this collection have only been found, so far as I can ascertain, in northern Georgia and northern and southern Illinois. The bird figure represented in [Fig. 48] was obtained by Major Powell, the director of the United States Geological Survey, from a mound near Peoria, Illinois. Another was obtained in Jackson County, Illinois, by Mr. Thing, from an ordinary stone grave. From another similar grave, at the same place, he also obtained the plate represented in [Fig. 49]. Fragments of a similar plate were obtained by Mr. Earle from a stone grave in a mound in Alexander County, Illinois. All these specimens were received by the Bureau of Ethnology and deposited in the National Museum.
The box-form stone cists and the figures on the copper plates and engraved shells differ so widely from the stone vaults and vestiges of art found in the North Carolina and East Tennessee mounds as to forbid the belief that the works of the two regions were constructed by one and the same people. The stone cists and to some extent the construction of the mound appear to connect the authors with the mound-builders and authors of the stone graves of the Cumberland Valley and Southern Illinois, and several other facts, which we cannot now stop to present, seem to strengthen this suggestion.
The presence of these stone cists in this mound of northern Georgia, when coupled with the fact that similar stone graves are found in Habersham County, indicate a Shawnee or closely allied element where we should expect to find only Creeks or some branch of the Chahta-Muscogee family. This is a puzzle by no means easy of solution, but one which the scope of our paper does not require us to discuss. Still, we may add, that if our conclusions in regard to this group be correct, we must believe that the large mound was built before De Soto reached that region while the one explored was built afterwards. Some facts brought to light by the recent discovery of a cemetery within the area inclosed by the ditch, which I have for some years believed would be found, and for which I caused search to be made, appear to sustain these conclusions, and to indicate that two different peoples have occupied this site and have had a hand in constructing or adding to these works.