John P Trinkaus' MBL Embryology Course Notes, Notebook II, 1939. Page 12

Notes from Donald Costello's lecture. Trinkaus begins notes on "Cell Lineage & Spiral Cleavage" with a list of researchers, their organism, and the journal citation. Trinkaus then begins with general notes on which animals exhibit spiral cleavage and how it happensLecturer: D. P. Costello, Lecture "Cell lineage and spiral cleavage" (Information taken from the 1939 Embryology Course Book)Page 12 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