(028016) Lenhoff, Sylvia G, and Lenhoff, Howard M. Hydra And The Birth Of Experimental Biology--1744. Pacific Grove, CA: Boxwood Press, 1986. Hardcover. Large 8vo. 188 pages. Very Good+ with no DJ. B&W Fold-out Illustrations. White illustrated boards . Book 1: Some Reflections on Abraham Trembley and His Memoires; Book 2: A Translation from the French of Memoires pour sevir a l' histoire d'un genre de polypes d'eaux douce, a bras en forme de cornes [ Memoirs Concerning the Natural History of a Type of Freshwater Polyp with Arms Shaped Like Horns]. ISBN: 0940168014 (Hydra, Biology, Trembley, Abraham)