OCTOBEB 21, 1910] 



SCIENCE 



549 



and its very numerous effects in the atmos- 

 phere of the earth. The expense of the neces- 

 sary instruments and the theoretical com- 

 plexity of the problems will limit these special 

 researches to a comparatively few students, 

 but every encouragement is extended to those 

 who are able to work along these lines. 



Frank H. Bigelow 

 Berun, 



September 30, 1910 



LECTURES ON PUBLIC HEALTH 



A COURSE of lectures on public health prob- 

 lems and the prevention of disease will be 

 given at Teachers CoUege, Columbia Univer- 

 sity, on Mondays at 5 p.m. throughout the 

 year. The lectures, which are open to the 

 public, are to be given during the first half 

 year as follows : 



October 10 — " The Development of Public 

 Health Work," Dr. Hermann M. Biggs, Medical 

 Oflttcer of the Department of Health of the City of 

 New Yorli. 



October 17 — " Water Pollution and Water Puri- 

 fication," Dr. C. E. A. Winslow, Associate Pro- 

 fessor of Biology, College of the City of New 

 York; Curator of Public Health, American Mu- 

 seum of Natural History. 



October 24 — " Clean Streets as a Factor in Pub- 

 lic Health" (to be announced later). 



October 31 — "The Collection and Disposal of 

 Municipal Waste," George A. Soper, Ph.D., Met- 

 ropolitan Sewerage Commission. 



November 7 — " Communicable Diseases, Diph- 

 theria, Typhoid Fever, Scarlet Fever, etc. — Their 

 Transmission," Dr. William Hallock Park, Di- 

 rector, Research Laboratories, New York City 

 Health Department. 



November 14 — " Communicable Diseases — Their 

 Prevention," Dr. William Hallock Park. 



November 21 — " Some Examples of the Control 

 of Infectious Diseases," Dr. Simon Flexnef, Di- 

 rector of the Rockefeller Institute. 



November 28—" The City Milk Supply and its 

 Control," Dr. Ernst Lederle, President and Com- 

 missioner, New York City Health Department. 



December 5 — " Flies and other Insects as Car- 

 riers of Disease" (to be announced later). 



December 12 — " Housing and Health," Mr. 

 Lawrence Veiller, Secretary, National Housing 

 Association. 



December 19 — "Tuberculosis: The General 



Problem; The Organized Campaign against the 

 Disease," Dr. Livingston Farraud, Executive Sec- 

 retary, National Association for the Study and 

 Prevention of Tuberculosis. 



January 9 — " Tuberculosis as a Social Problem. 

 Methods of Treatment," Dr. James Alexander 

 Miller, Associate Professor, Clinical Medicine, Col- 

 lege of Physicians and Surgeons. 



January 16 — " What the Teacher should know 

 of the Tuberculosis Problem," Dr. S. Adolphus 

 Knopf, Associate Director of Clinic of Pulmonary 

 Diseases, Department of Health. 



January 23 — " What the Teacher could do to- 

 ward the Solution of the Tuberculosis Problem," 

 Dr. S. Adolphus Knopf. 



LOWELL LECTURES 



Eight courses of Lowell lectures are an- 

 nounced for the present season, of which five 

 are in the sciences. These are as foEows : 



Eight lectures by Franz Boas, LL.D., pro- 

 fessor of anthropology in Columbia Univer- 

 sity, on " Cultural Development and Kace." 

 (1) " Human Faculty and Eace," (2, 3) 

 " Hereditary Stability and Adaptation in Hu- 

 man Types," (4) " Human Faculty as a Result 

 of Cultural Development," (5) " Relations be- 

 tween Type, Language and Culture," (6) 

 " Unconscious and Rational Elements in the 

 Mental Development of Mankind," (7) " Can 

 the History of Civilization be considered as a 

 Single Evolutionary Series?" (8) "Types of 

 Thought in Primitive and in Advanced So- 

 ciety." On Wednesdays and Fridays at 8 

 P.M., beginning Wednesday, October 19. 



Eight lectures by Edward Bradford Titch- 

 ener, LL.D., Sage professor of psychology in 

 the Graduate School of Cornell University, 

 on "The Structure of Mind." (1) "The 

 Problem," (2) "The Method," (3) "Sensa- 

 tion," (4) "Attention," (5) "Perception; the 

 Problem of Meaning," (6) " Conscious Atti- 

 tude," (7) " Memory and Imagination," (S) 

 " Patterns of Consciousness." On Tuesdays 

 and Thursdays at 5 p.m., beginning Tuesday, 

 November 1. 



Eight lectures by WiUiam Ernest Castle, 

 professor of zoology in Harvard University, 

 on " Heredity in Relation to Evolution and 

 Animal Breeding." (1) " Biological Discov- 



