GALTON, FR. — Finger prints.

London... and New York, MacMillan and Co., 1892. 8vo. W. an ill. [fingerprints of the author] on the pr. title, 16 plates and 34 tables. Later full cloth. (XVI, 216 pp.). (Top edge gilt.). G&M 186: 'The use of fingerprints as identification marks was known to the Chinese, but Galton was among the first to explain their possibilities in the identification of criminals. "Galton's delta" is a triangular area of papillary ridges on the distal pads of the digits.': Kelly, p. 155: