HENRY CARVILL

See also:

• HENRY CARVILL LEWIS
• LEWIS, JOHN FREDERICK (180 1876)
• LEWIS, MATTHEW GREGORY (1775-1818)
• LEWIS, MERIWETHER (1774-1809)
• LEWIS, SIR GEORGE CORNEWALL, BART

LEWIS  18J3-1888), American geologist, was born in Philadelphia on the 16th of November 18K3 . Educated in the university of Pennsylvania he took the degree of M.A. in 1876 . He became attached to the Geological Survey of Pennsylvania in 1879, serving for three years as a volunteer member, and during this term he became greatly interested in the study of glacial phenomena . In i88o he was chosen professor of mineralogy in the Philadelphia academy of natural sciences, and in 1833 he was appointed to the chair of geology in Haverford College, Pennsylvania . During the winters of 1885 to 1887 he studied petrology under H . F . Rosenbusch at Heidelberg, and during the summers he investigated the glacial geology of northern Europe and the British Islands . His observations in North America, where he had studied under Professor G . F . Wright, Professor T . C . Chamberlin and Warren Upham, had demonstrated the former extension of land-ice, and the existence of great terminal moraines .

In 1884 his

Report on the Terminal Moraine in Pennsylvania and New York was published: a work containing much information on the limits of the North American ice-sheet . In Britain he sought to trace in like manner the southern extent of the terminal moraines formed by British ice-sheets, but before his conclusions were matured he died at Manchester on the zest of July 1888 . The results of his observations were published in 1894 entitled Papers and Notes on the Glacial Geology of Great Britain and Ireland, edited by Dr H . W . Crosskey . See "Prof . Henry Carvill Lewis and his Work in Glacial Geology," by Warren Upham, Amer . Geol. vol. ii . (Dec . 1888) p . 371, with portrait .