BATTERSHALL, Jesse Park, chemist, born in Troy, New York, 26 May 1851. His chemical studies were begun in 1867 at the School of Mines, Columbia College, and continued in Germany, where for a year he worked in the chemical laboratory in Gottingen under W6hler, then in 1870-'1 under Kolbe at Leipsic. Two years later he received the degree of doctor of natural sciences from the University of Tubingen, and subsequently he attended the chemical course of lectures by Marignac at Geneva. On his return to this country he was engaged for some time as analytical and consulting chemist to various firms in New York. In 1879 he entered the government service, and since that time has had charge of the analytical department of the United States laboratory at New York. Dr. Battershall is a fellow of the London chemical society, a member of the American chemical society, and of other scientific bodies. He has contributed papers to chemical journals, and is the translator of Naquet's "Legal Chemistry" (New York, 1876), and the author of " Adulteration of Food and Drink " (New York, 1886).