TUTTLE, Albert Henry, naturalist, born in Cuyahoga Falls, Ohio, 19 November, 1844. He was graduated in the scientific course at the State college of Pennsylvania in 1868, and during the two years following was professor of natural sciences in the State normal school in Platteville, Wisconsin In 1870 he became instructor of microscopy in Harvard, and in 1874 he was called to the chair of zoology and comparative anatomy in Ohio state university, where he remained for fourteen years. As a member of the faculty of that institution from its organization, in addition to establishing one of the earliest laboratories for biological work in the western states, he took a large part in the development of the university and in fixing its policy, as well as devoting considerable labor to the determination and establishment of intimate relations between it and the public schools of the state. In 1888 he was elected professor of biology and agriculture at the University of Virginia. Professor Turtle was elected a fellow of the Royal microscopical society of London in 1882, and in the same year was a vice-president of the American association for the advancement of science, having charge over the section of microscopy. He has written for scientific and educational periodicals, and is the author of reports of state commissions of which he has been a member.