Note 1508 — Chapter VI
Reading edition
Vestiges of Glacial Man in Central Minnesota, in the Proc. Amer. Assoc. for Adv. of Science, vol. xxxii. p. 385. A more extended account of her researches will be found under the same title in the American Naturalist for June and July, 1884 (vol. xviii. pp. 594 and 697). On p. 705 the writer has given at some length his opinion in regard to the artificial character of these quartz objects.