ANNOUNCEMENTS OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES 



Wednesday, January 19. The Society of Engineers, at the Cosmos Chib. 



Thursday, January 20. Joint meeting of the Academy and the Chemical 

 Society, at the Cosmos Club, at 8.15 p.m. Program: 



Address of the Retiring President of the Academy, C. L. AlsbERG : The relation of 

 chemical structure to physiological action. 



Saturday, January 22. The Biological Society, at the Cosmos Club. 



Wednesday, January 26. The Geological Society. 



Saturday, January 29. The Philosophical Society, at the Cosmos Club, 

 at 8.15 p.m. Program; 



G. BreiT: The distributed capacity of inductance coils. 



J. H. Dellinger and L. E. Whittemore: Radio signal Jading phetiomena. 

 F. B. Littell: The variaiion of latitude and tlie constant of aberration, from four years' 

 work with the photographic zenith tube at Washington. 



Tuesday, February 1. The Botanical Society, at the Cosmos Club, at 8.00 

 p.m. 



Wednesday, February 2. The Society of Engineers. 



Thursday, February 3. The Entomological Society. 



PROGRAMS ANNOUNCED SINCE THE PRECEDING ISSUE OF THE JOUR^AL^ 



Tuesday, January 4. The Botanical . Society, at the Cosmos Club, a 8.00 p.m. Pro- 

 gram: F. Lamson-Scribner: The lure of Rock Creek Park. J. M. Smn.L: Skunk 

 cabbage, Spathyeraa foetida. 



Thursday, January 6. The Entomological Society, at the National Museum, at 8.00 

 p.m. Program: W. R. Walton: Presidential address. R. C. Shannon: Notes on 

 classification of Syrphidae. 



Saturday, January 8. The Biological Society, at the Cosmos Club, at 8.00 p.m. Pro- 

 gram: L. O. Howard: Some views of the fight in southern France last summer against 

 the Moroccan locust. S. F. Blake: Sexual differences in coloration of the spotted turtle. 



Tuesday, January 11. The Institute of Electrical Engineers, at the Cosmos Club, at 

 8.00 p.m. Program: Ralph D. Mershon: Sofn^ things engineers should knmv con- 

 cerning the rudiments of corporate financing. 



Wednesday, January 12. The Geological Society, at the Cosmos Club, at 8.00 p.m. 

 Program: H. G. Ferguson: Lode deposits of Manhattan, Nevada. C. N. Fenner: 

 Structural and volcanic geology of the Katmai region, Alaska. H. D. Miser: Llanoria, 

 the Paleozoic land area in Louisiana and eastern Texas. 



Thursday, January 1.3. The Chemical Society, at the Cosmos Club, at 8.00 p.m. Pro- 

 gram: R. C. Tolman: The third law of thermodynamics. 



Monday, January 17. The Archaeological Society. Program: J. A. Montcomerv: 

 Archaeological work in Palestine and the American School in Jerusalem. 



' Notices ieceived too late for publication before the date of the meeting. 



