Notes from Hubert Goodrich's lecture. Trinkaus continues his notes on 'Spawning periods from page 2', and adds notes on 'Characteristics of Unvertifilzed Fundulus Egg' and 'Fertilization'. The 'Characteristics of Unfertilized Fundulus Egg' includes a diagram of the egg and the egg membrane. The 'Fertilization' includes a diagram of the first cleavageLecturer: H.B. Goodrich, Lecture "Introductory Announcements. Fish Spawning. Fertilization in Fundulus." (Information taken from the 1939 Embryology Course Book)Page 3 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