49^ Biochemical News, Notes and Comment [Mar. 



sive lectures dealt with " Dirty milk," " Diseases spread by milk," 

 "Clean milk," " Pasteurization " and "From cow to consumer." 



Harvey lectures were delivered on February 3 by Prof. T. W. 

 Richards, on "The relations of modern chemistry to medicine"; 

 on February 17 by Prof. R. H. Chittenden, on "Current views 

 regarding the nutrition of man"; on March 3 by Prof. H. S. 

 Jennings, on "Old age, death and the meaning of conjugation in 

 lovver animals " ; and on March 22, by Prof. W. S. Thayer, on 

 "Malaria." 



Herter lectures. Prof. Ludvig Hektoen delivered six Herter 

 Foundation lectures, under the auspices of the University and Belle- 

 vue Hospital Medical College, in the Carnegie building, at 4 o'clock 

 in the afternoon, from January 8 to 13, inclusive. The subject of 

 the lectures was " Immunity." 



Hitchcock lectures. Prof. Richard M. Pearce delivered five 

 lectures on the Hitchcock Foundation, at the University of Cali- 

 fornia, on the evenings of January 22-26, inclusive. The general 

 theme of the series was " Research in medicine " and the individual 

 lectures were devoted to the following subjects : " Antiquity to 

 1800 — the efforts of isolated investigators," "The development of 

 laboratories for the medical sciences," " Pasteur and the rise of bac- 

 teriology," " Present day methods and problems," and " Medical 

 research in American universities; present facilities, needs and 

 opportunities." 



The fifth of the Weir Mitchell lectures of the College of Physi- 

 cians, Philadelphia, was delivered on March 29, in Mitchell Hall, 

 by Prof. William H. Howell, on " The factors concerned in the 

 coagulation of blood and their variations under pathologic con- 

 ditions." 



Miscellaneous. Among the five general lectures on the program 

 of the Eighth International Congress of Applied Chemistry is one 

 on "The röle of very small amounts of chemical substances in bio- 

 chemistry," by Gabriel Bertrand. 



Dr. Simon Flexner delivered a lecture on " Infection and Re- 

 covery from Infection," in the auditorium of the U. S. National 

 Museum on February 8. This was the third Hamilton fund lecture 

 of the Smithsonian Institution. 



