Notes from Hubert Goodrich's lecture. Trinkaus continues notes from page 5 on the movement of nuclear granules early in development, and then begins notes on 'Cleavage'Lecturer: H.B. Goodrich, Lecture "Teleost Embryology. Cleavage and Gastrulation." (Information taken from the 1939 Embryology Course Book)Page 6 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, MA