VITA 
Adelaide Spohn was born in Chicago, Illinois, May 25, 
1886. In 1908 she received the degree of B. S. from the Uni- 
versity of Chicago and in 1913 the degree of M. S. from the 
same University. Since 1908 she has held the following posi- 
tions: Instructor, Woodstock, Illinois, High School 1908- 
1910; Instructor, Joliet, Illinois, Township High School 1910- 
1911; Research Assistant to Dr. Oscar Riddle at the Univer- 
sity of Chicago and Station of Experimental Evolution of the 
Carnegie Institution of Washington, 1911-1915; Instructor in 
Chemistry, Teachers College, 1915-1916; Chemical Assistant 
in the Department of Physiology, Columbia University, 1916 
to February, 1918; Instructor in Chemistry Northwestern 
University, February 1918-1919; Instructor in Chemistry, 
Pratt Institute, 1919-1920; Research Assistant in Food Chem- 
istry, Columbia University, 1920-1922. 
She was co-author with Dr. Oscar Riddle of the following 
publications: Studies on the Physiology of Reproduction in 
Birds. II. On the Chemical Composition of White and Yel- 
low Egg Yolk of the Fowl and Pigeon, Am. Jour. Physiol, 
1916, XLI, 397 ; Studies on the Physiology of Reproduction in 
Birds. 1V. When a Gland Functions for the First Time is its 
Secretion the Equivalent of Subsequent Secretions? Am. Jour. 
Physiol. 1916, XLI, 419. 
She has been a graduate student under the Faculty of 
Pure Science, Columbia University, during the years 1915-16 
and 1920-22. 
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