Trinkaus, John Phillip - Papers
Notes from Oscar Schotte's lecture. Trinkaus continues his notes on the history of research on echinoderms, including information on Jacques Loeb, Hans Driesch, and Theodor Boveri. Trinkaus begins notes on the "Development of the Egg" with information on "inherent factor or potencies (Internal factors)"
Letter to Trinkaus about the history of fish embryology
Notes from Hubert Goodrich's lecture. Trinkaus' notes on 'Types of eggs', 'Egg membranes', and 'Spawning periods'
John P. Trinkaus in the laboratory at the MBL. Trinkaus is seated in front of video equiptment, and is smiling at the camera.
John P. Trinkaus (left) standing next to Steve Zottoli (right) in their shared laboratory at the MBL
Notes from Oscar Schotte's lecture. Trinkaus continues his notes on the echinoderm egg with the determination that "Therefore this determining subst. is located in something other than pigment." He creates four categories for his notes on this page: 'Micropyles', 'Position of the Germinal Vessicle', 'Polar Bodies', and 'Fixation of Oocytes on the walls of the Ovary'
Notes from Viktor Hamburger's lecture. Trinkaus continues his notes on the derivatives of the 2d cell, then makes a list of derivatives of the "4d cell", "From larva", and "Larval organs lost"
A headshot of John P. Trinkaus. Trinkaus is wearing a white shirt, dark tie, and glasses. He is looking at the camera.
Notes from Donald Costello's lecture. Trinkaus continues his notes on centrifugation of the egg with information on the effects of centrifugation on Asterias and Nereis (with diagram of "Centrifuged Nereis Egg")
Notes from Roberts Rugh's lecture. Trinkaus begins with an outline, "I. Injection of pituitary causes liberation of sperm within 24 hours in male frog" and "II. X Rays"
Notes from Viktor Hamburger's lecture. Trinkaus begins notes on "Development of the Annelidas" with a three-point list of features of "Annelida & Mollusca", then begins a list of features of "Hydroides (Eupomatus)"
Notes from Roberts Rugh's lecture. Trinkaus continues his notes from the previous page on the effects of X Rays on amphibian eggs