Trinkaus, John Phillip - Papers

Notes from Hubert Goodrich's lecture. Trinkaus has drawn four colored diagrams of 'Presumptive Regions': Trout, Fundulus, Dog fish, and Urodele

Notes from Oscar Schotte's lecture. Trinkaus continues his notes on the development of the egg with information on 'internal potencies', 'visibles structure', and 'Invisible structure', then begins a new section on 'External Factors" with a diagram of a two-cell embryo

Notes from Oscar Schotte's lecture. Trinkaus takes notes on the "layers of the egg" with a diagram, then details the work of Chambers on the anatomy and structure of the echinoderm egg

Notes from Oscar Schotte's lecture. Trinkaus continues his notes on the echinoderm egg notes about the position of the first cleavage relative to the axis of the embryo. He offers results of various researcher's studies and concludes that "Vital staining method shows therefore that there is no coincidence of the 1st cleavage with the axis of the embryo"

Notes from Oscar Schotte's lecture. Trinkaus continues his notes on the echinoderm egg with information about the position of first cleavage relative to the axis of the embryo, with four diagrams