Note 176 — II FORMS OF RINGS AND MATERIALS OF WHICH THEY ARE MADE
Reading edition
Science, vol. iv, No. 82, pp. 172, 173, with cut of the ring; vol. iv, No. 85, pp. 270, 271, communication by Edward S. Morse on the subject; vol. vi, No. 126, July 3, 1885, reply of George F. Kunz, citing letter of Lieut. G. C. Foulke, U.S.N., of U. S. Legation at Seoul, Corea.