HUNT

hunt, thomas sterry (1826-1892), american geologist and chemist, was born at norwich, conn., on the 5th of september 1826. he lost his father when twelve years old, and had to earn his own livelihood. in the course of two years he found employment in a printing office, in an apothecary's shop, in a book store and as a clerk. he became interested in natural science, and especially in chemical and medical studies, and in 1845 he was elected a member of the association of american geologists and naturalists at yale--a body which four years later became the american association for the advancement of science. in 1848 he read a paper in philadelphia _on acid springs and gypsum deposits of the onondaga salt group_. at yale he became assistant to professor b. silliman, jun., and in 1846 was appointed chemist to the geological survey of vermont. in 1847 he was appointed to similar duties on the canadian geological survey at montreal under sir william logan, and this post he held until 1872. in 1859 he was elected f.r.s., and he was one of the original members and president of the royal society of canada. he was a frequent contributor to scientific journals, writing on the crystalline limestones, the origin of continents, the chemistry of the primeval earth, on serpentines, &c. he also wrote a notable "essay on the history of the names cambrian and silurian" (_canadian naturalist_, 1872), in which the claims of sedgwick, with respect to the grouping of the cambrian strata, were forcibly advocated. he died in new york city on the 12th of february 1892. his publications include _chemical and geological essays_ (1875, ed. 2, 1879); _mineral physiology and physiography_ (1886); _a new basis for chemistry_ (1887, ed. 3, 1891); _systematic mineralogy_ (1891). see an obituary notice by persifor frazer, _amer. geologist_ (xi. jan. 1893), with portrait.