ANNOUNCEMENTS OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES 



Tuesday, December 20. The Anthropological Society, at the National 

 Museum, at 4 : 45 p.m. Program : 

 J. Walter Fewkes: Lost Indians of the Willows. 



Wednesday, December 21. The Society of Engineers, at the Cosmos Club, 

 at 8:15 p.m. Program: 

 L. O. Armstrong: The Lure of the North. 

 Annual reports and elections. 



Tuesday, January 3. The Botanical Society, at the Cosmos Club, at 8:15 

 p.m. 



Wednesday, January 4. The Society of Engineers. 



Thursday, January 5. The Entomological Society. 



Saturday, January 7. The Biological Society, at the Cosmos Club, at 8 p.m. 



Tuesday, January 10. The Academy, at the Carnegie Institution, at 8:15 



p.m. Program: 



A. H. Brooks: Presidential Address. 

 Annual reports and elections. 



Thursday, January 12. The Chem.ical Society, at the Cosmos Club, at 8 

 p.m. Program: 

 Wm. Blum: Presidential Address: Researches on the electro-deposition of metals. 



OTHER ANNOUNCEMENTS 



Thursday to Saturday, December 29-31. The Association of American 

 Geographers, at the National Geographic Society's building, 16th and M 

 streets. 



PROGRAMS ANNOUNCED SINCE THE PRECEDING ISSUE OF THE JOURNAL' 



Thursday, December 8. The Chemical Society, at the Cosmos Club, at 8 p.m. Program : 

 R. B. Moore: Radium, its properties and manufacture. Miss A. H. Armstrong: 

 TJie testing of radium products. Howard A. Kelly: The therapeutic use of radium. 



Saturday, December 10. The Biological Society, at the Cosmos Club, at 8 p.m. Program : 

 Brief notes and exhibition of specimens. Annual reports and elections. 



Tuesday, December 13. The Institute of Electrical Engineers, at the Cosmos Club, at 8 

 p.m. Program: J. W. Hackett: The manufacture of electric cable. 



Wednesday, December 14. The Geological vSociety, at the Cosmos Club, at 8 p.m. Pro- 

 gram: G. W. Stose (Presidential Address): Relation of faults to folds in the Appalach- 

 ians. Annual reports and elections. 



vSaturday, December 17. The Philosophical Society, at the Cosmos Club, at 8:15 p.m. 

 Program: W. W. CoblEntz: The effective temperature of the stars as estitnated from 

 the energy distribution in the complete spectrum. P. D. Foots, F. L- MohlER, and 

 W. F. Meggers: A significant exception to the principle of selection. W. P. White: 

 Some precision pendulum-driving apparatus. 

 ' Received too late for publication before the date of the meeting. 



