John P Trinkaus' MBL Embryology Course Notes, Notebook I, 1939. Page 25

Notes from Hubert Goodrich's lecture. Trinkaus' diagrams on the 'Development of the Circulatory System of Teleost' with stages I-VIILecturer: H.B. Goodrich, Lecture "Teleost Embryology. Special topics in Organogeny." (Information taken from the 1939 Embryology Course Book)Page 25 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