Still Image

John Philip Trinkaus Drawing of 33 Hour Chick Embryo, with correction, 1938
Labeled drawing by Trinkaus of 33 hour chick embryo, Embryology course, with teacher's note, March 21, 1938
John Philip Trinkaus Drawing of Frog Embryo Stages, 1938
Labeled drawing by Trinkaus of frog embryo stages, Embryology course, March 5, 1938
John Philip Trinkaus Drawing of 33 Hour Chick Embryo, 1938
Labeled drawing by Trinkaus of 33 hour chick embryo, Embryology course, March 19, 1938
John Philip Trinkaus Drawing of Late Stage Frog Embryo, 1938
Labeled drawing by Trinkaus of frog embryo late cleavage stage, Embryology course, March 6, 1938
John Philip Trinkaus Drawing of Frog Larval Stage, 1938
Labeled drawing by Trinkaus of frog larval stage, Embryology course, note from teacher, graded D, March 13, 1938
John Philip Trinkaus Drawing on 96 Hour Chick Embryo, 1938
Labeled drawing by Trinkaus of 96 hour chick embryo, Embryology course, graded B+, May 15, 1938
John Philip Drawing of Crepidula Spiral Cleavage, 1938
Labeled drawing by Trinkaus of spiral cleavage in crepidula, Embryology course, graded B+, February 28, 2938
John Philip Trinkaus Drawing of Frog Egg Cell Division, 1938
Labeled drawing by Trinkaus of cell division in frog eggs, Embryology course, March 8, 1938
John Philip Trinkaus Drawing of 72 Hour Chick Embryo, 1938
Labeled drawing by Trinkaus of 72 hour chick, Embryology course, graded B+, April 22, 1938
John Philip Trinkaus Drawing of Crepidula Cells, 1938
Labeled drawing by Trinkaus of crepidula cells, Embryology course, March 13, 1938
John P. Trinkaus Embryology Notebook II Page 28
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"
John Philip Trinkaus Drawing of Whitefish Blastula Cleavage, 1938
Labeled drawing by Trinkaus of cleavage in blastula of whitefish, Embryology course, graded A, February 26, 1938

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