Journal of the Academy of Natural Sciences of Philadelphia . Fig. 75. Ornament of sheet copper, repousse decoration,Mt. Roval. (Full size.) Fig. 76. Piercing implement show-ing manufacture from sheet cop-per, Mt. Royal. (Full size.) Fig. 74. Piercing implement of cop-per, Mt. Royal. (Full size.)27 JOURN. A. N. S. PHILA., VOL. X. 216 CERTAIN SAND MOUNDS OF supply of staple sizes for commercial purposes been stamped from sheet metal bythe Whites, exact duplicates must necessarily occur in the mounds. 3. Stria? in depressed surfaces, giving evidence of the conferring of the designby pressure and
Journal of the Academy of Natural Sciences of Philadelphia . Fig. 75. Ornament of sheet copper, repousse decoration,Mt. Roval. (Full size.) Fig. 76. Piercing implement show-ing manufacture from sheet cop-per, Mt. Royal. (Full size.) Fig. 74. Piercing implement of cop-per, Mt. Royal. (Full size.)27 JOURN. A. N. S. PHILA., VOL. X. 216 CERTAIN SAND MOUNDS OF supply of staple sizes for commercial purposes been stamped from sheet metal bythe Whites, exact duplicates must necessarily occur in the mounds. 3. Stria? in depressed surfaces, giving evidence of the conferring of the designby pressure and motion as shown in the paper of Professor Cushing. We are, therefore, of the opinion that aboriginal workmanship on the copperof the river mounds maj be conceded. SHEET COPPER OF ABORIGINAL PRODUCTION. But here we are brought face to face with another question. It has beenalleged by some that, granting aboriginal work on copper, the sheets of metal mayhave been obtained through White contact, a suggestion too plausible to be dismissedwithout serious consid
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Keywords: ., bookcentury1800, bookdecade1810, booki, booksubjectnaturalhistory
