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Hand-drawn Diagram

Labeled drawing by Trinkaus of testis of Anasa tristis (squahs bug), Embryology course, graded A-, February 18, 1938
Labeled drawing by Trinkaus of Testis of Grasshopper (arphia), Embryology course, Feburary 14, 1938
Labeled drawing by Trinkaus of 72 hour chick, Embryology course, May 2, 1938
Labeled drawing by Trinkaus of 72 hour chick, Embryology course, May 1, 1938
Labeled drawing by Trinkaus of unknown organism embryo, Embryology course, graded A-, May 1, 1938
Labeled drawing by Trinkaus of 48 hour chick, Embryology course, graded B+, April 13, 1938
Labeled drawing by Trinkaus of unknown organism embryo, Embryology course, April 24, 1938

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