Evening Republican, Volume 15, Number 164, Rensselaer, Jasper County, 13 July 1911 — Thirteen Monkeys Left. [ARTICLE]

Thirteen Monkeys Left.

Pittsburg, Pa.—Only thirteen monkeys are left of a “poison squad" of sixty, which Dr. Frederick Prgpscher, pathologist of the Allegheny general hospital, has been experimenting with in an effort to discover the germ of infantile paralysis. These are taking the rest cure at the Riverview park zoo. The monkeys already show a marked Improvement, and by fall. It Is thought, will be ready for further experiment*.