1912] Columbia Biochemical Association 569 



the color pattern in the elytra of the Colorado potato beetle, Lep- 

 tinotarsa decemlineata, Say. Amer. Naturalist, 45, 743-55. — On 

 melanin. Biochemical Bulletin, i, 207-15. 



1912. Sur les pigments melaniques d'origine animale. Bull. 

 Soc. Chim., 11, 498-500. — The occurrence, and the significance, of 

 tyrosinase in the reproductive organs of certain amphibians. Proc. 

 Soc. Exper. Biol. Med., g, 1 18-120. — On two different types of 

 melanin. Ibid., 9, 120-1. 



IV. COLUMBIA UNIVERSITY BIOCHEMICAL ASSOCIATION 



i. General notes 



Marriages: On February 24, Miss Isabelle Mary Shoolbred 

 and Dr. Eimer W. Baker. — On July 3, Miss Edith Downs and Dr. 

 George D. Beal. 



Appointments and promotions. Prof. P. B. Hawk has re- 

 signed his chair at the University of Illinois to accept appointment 

 to the professorship of physiological chemistry at Jefferson Medical 

 College, vice Dr. J. W. Holland resigned (page 553). 



For the more complete care of the health of the students, par- 

 ticularly the undergraduates in residence, Dr. William H. McCast- 

 line, now assistant professor of physical education, has been ap- 

 pointed health and sanitary officer of Columbia, from July i. Dr. 

 McCastline will have responsible charge, as health and sanitary offi- 

 cer, of the general health and sanitary conditions at Columbia and 

 will be accessible for daily consultations with students, who, while 

 not needing clinical treatment, would be benefited by medical advice 

 and oversight. 



Prof. Frederic M. Hanes, who was recently promoted from 

 associate to assistant professor of pathology at Columbia, has ac- 

 cepted appointment as resident physician and assistant in medicine at 

 the Rockef eller Institute (page 557). 



Prof. Clarence E. May has been promoted from assistant pro- 

 fessor to associate professor of chemistry at the University of 

 Indiana. 



