Photographs

Notes from Hubert Goodrich's lecture. Trinkaus continues his diagrams on the 'Development of the Circulatory System of Teleost' from page 25 with stages IX-XII and descriptions of stages I through VII

Notes from Hubert Goodrich's lecture. Trinkaus finishes his notes on the 'Development of the Circulatory System of Teleost' from page 25 and 26 with the end of the description of stage XIV

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 cleavage

Notes from Hubert Goodrich's lecture. Trinkaus continues his notes on the development of Mendelian characters from pages 29 and 30 with information on the "Conflict between cell mutliplication and cell division". Trinkaus takes notes on "Scale transplantation" in Slippery Dick (Halichoeres bivittatus) and includes a section on "Gordan's work"

Notes from W.R. Duryee's lecture. Trinkaus takes notes on "Colloidal composition of the egg nucleus", including diagrams

Notes from W.R. Duryee's lecture. Trinkaus continues his notes from page 33 and 34, on the effects of fixatives and the actions of chromosomes

Notes from W.R. Duryee's lecture. Trinkaus finishes his notes from page 33-36 on the appearance, nature, and action of chromosomes and the effects of different fixatives. Trinkaus begins a new note section on "Significance to Embryology", and underlines a passage: "This is of course against the idea of cytoplasmic inheritance"

Notes from William Ballard's lecture. Trinkaus continues his notes from page 38 on gastrulation in Coelenterates, with a list of different patterns of cell movement during gastrulation.

Notes from William Ballard's lecture. Trinkaus continues his notes from page 38 and 39 on gastrulation in Coelenterates. Starts a new section on development of Coelenterates following gastrulation, including diagrams

Notes from William Ballard's lecture. Trinkaus takes notes on the development after gastrulation in Podocoryne, Hydractinia, Medusae, and Tubularia

Notes from Viktor Hamburger's lecture. Trinkaus takes notes (with diagrams) on early development and anatomy of the Longfin shore squid (Loligo pealeii)