Photographs
Labeled drawing by Trinkaus of 72 hour chick, Embryology course, graded B+, April 22, 1938
Labeled drawing by Trinkaus of 72 hour chick, Embryology course, May 1, 1938
Labeled drawing by Trinkaus of 72 hour chick, Embryology course, May 2, 1938
Labeled drawing by Trinkaus of Ascaris megalocephala, Embryology course, February 21, 1938
Labeled drawing by Trinkaus of cat ovary, Embryology course, February 12, 1938
Labeled drawing by Trinkaus of cat ovary, Embryology course, February 13, 1938
Labeled drawing by Trinkaus of crepidula cells, Embryology course, March 13, 1938
Labeled drawing by Trinkaus of cell division in frog eggs, Embryology course, March 8, 1938
Labeled drawing by Trinkaus of frog embryo stages, Embryology course, March 5, 1938
Labeled drawing by Trinkaus of frog larval stage, Embryology course, note from teacher, graded D, March 13, 1938
Labeled drawing by Trinkaus of Testis of Grasshopper (arphia), Embryology course, Feburary 14, 1938
Labeled drawing by Trinkaus of frog in late embryo and tadpole stage, Embryology course, graded A, March 7, 1938
Labeled drawing by Trinkaus of frog embryo late cleavage stage, Embryology course, March 6, 1938
Labeled drawing by Trinkaus of rat testis, Embryology course, February 13, 1938
Labeled drawing by Trinkaus of salamander testis, Embryology course, graded A, February 7, 1938
Labeled drawing by Trinkaus of four stages in the formation of spermatozoa (arphia), Embryology course, February 14, 1938
Labeled drawing by Trinkaus of testis of Anasa tristis (squahs bug), Embryology course, graded A-, February 18, 1938
Labeled drawing by Trinkaus of unknown organism embryo, Embryology course, April 24, 1938
Labeled drawing by Trinkaus of unknown organism embryo, Embryology course, April 24, 1938
Labeled drawing by Trinkaus of unknown organism embryo, Embryology course, graded A-, May 1, 1938
Labeled drawing by Trinkaus of cleavage in blastula of whitefish, Embryology course, graded A, February 26, 1938
Labeled drawing by Trinkaus of 96 hour chick embryo, Embryology course, graded B+, May 15, 1938
Runnstrom looking through a microscope.
Runnström sitting at a lab bench in front of a microscope.