John P Trinkaus' MBL Embryology Course Notes, Notebook II, 1939. Page 28

Notes from Roberts Rugh's lecture. Trinkaus begins with an outline, "I. Injection of pituitary causes liberation of sperm within 24 hours in male frog" and "II. X Rays"Lecturer: R. Rugh, Lecture "Experiments on Amphibian reproduction" (Information taken from the 1939 Embryology Course Book)Page 28 of 72 from the second notebook of lecture and laboratory notes that John P. Trinkaus took during his time as a student in the Marine Biological Laboratory Embryology Course in 1939 in Woods Hole, MANote