John P Trinkaus' MBL Embryology Course Notes, Notebook I, 1939. Page 19

Notes from Hubert Goodrich's lecture. Trinkaus takes notes on the 'Nervous System' (with a fish brain) and the 'Intermediate Cell Mass'Lecturer: H.B. Goodrich, Lecture "Teleost Embryology. Special topics in Organogeny." (Information taken from the 1939 Embryology Course Book)Page 19 of 113 from the first 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