84 Report of the President 



The department has continued throughout the year to 

 cooperate with the Museum Department of Public Education 



„ . TT _ . . in keeping up the Public Health Albums 

 Extension Work in ,,.,.-. , , . 



the Hieh Schools anc * exni bits of insects and bacteria for 

 circulation in the public schools. Supplies 

 of sterile culture media for the demonstration of bacteria have 

 been furnished to many of the high schools in the city. 



The staff of the department has cooperated during the 

 year with the New York City Department of Health in a 



-. . TTT . , study of the mosquito problem in Central 



Cooperation With „ / . . , , \_ 5 r , _ ^ 



Other Institutions Park and wlth the New York btate Depart- 

 ment of Health in a mosquito survey in the 



neighborhood of the College Settlement at Mt. Ivy. Special 

 studies have been carried on in cooperation with the New 

 York State Commission on Ventilation, on the bacteriology of 

 colds and on the dust content of factory air. During the 

 summer several of the exercises of the New York University 

 School for Health Officers were held at the Museum and 

 lectures were delivered by the department staff. The Hall of 

 Public Health, as heretofore, has been used extensively for 

 instructional purposes by classes from medical schools, schools 

 of pharmacy, colleges and normal schools. 



Dr. Kligler has completed during the year a series of 

 studies on the bacteriology of dental decay under the auspices 

 of The First Dental Society of the State of New 

 York, which promises to make a contribution of 

 fundamental importance to this complex problem. Curator 

 Winslow, as Chairman of a committee appointed by the Society 

 of American Bacteriologists to study and report on the classi- 

 fication of the Colon-typhoid group of Bacteria, has begun 

 work upon this subject, with the Museum collection of types 

 as a basis. 



Mr. S. D. Kramer, after a year's efficient service, has left 

 the Museum to take a position as Assistant in the Department 

 of Biological Chemistry of Columbia University. His 

 place has been taken by L. V. Coleman, S.B. Mr. 

 Kligler this year received the degree of Doctor of Philosophy 

 at Columbia University and devoted his time largely to special 

 research problems. 



