OFI^ICERS OF THE ACADEMY 



President: F. L. Ransome, Geological Survey. 



Corresponding Secretary r'RoB^Rt B. Sosman, Geophysical Laboratory. 

 Recording Secretary: WiIvLIAM R. Maxon, National Museum. 

 Treasurer: R. I/..Faris, Coast and Geodetic vSurvey. 



ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES^ 



Tuesday, October 21. The Anthropological Society, at Room 43, 



New National Museum, at 4.45 p.m. Program: 



j. W. FE.WKES, J. T. Harrington, J. N. B. Hewitt, W. Hough, A. Hrdlicka, 

 N. M. JuDD, F. LaFlesche, T. Michei.son, J. R. Swanton: Field experi- 

 ences (results of anthropological field work during the past year): 



Thursday, October 23, The Chemical Society, at the Cosmos Club, 



at 8.00 p.m. Program: 



Charles L. Reese, of E. I. du Pont de Nemours and Co%: The status and pros- 

 pects of the dye industry in the United States. ' 



Saturday, October 25. The Philosophical Society, at the Cosmos Club, 



at 8.15 p.m. Program: 



J. H. Dellinger: Principles of radio transmission and reception with amtenna and 

 coil aerials. (Illustrated.) 



F. iy. MohlEr, Paul D. Foote, and H. F. Stimson: Ionization and resonance 

 potentials for electrons in vapors of lead and calcium. (Illustrated.) 



vSaturday, November i. The Biological Society, at the Cosmos CluJ), 



at 8.00 p.m. 

 Anniversary Meeting {600th meeting). 

 Saturday, November I. The Chemical Society, 9. 10. a.m., Excursion 



to Edgewood Arsenal . 



Tuesday, November 4. The Anthropological Society, at Room 43, 

 New National Museum, at 4.45 p.m. Program: 



Continuation of the reports on Field experiences. * 



Tuesday, November 4. The Botanical Society, at the Cosmos Club, 

 at 8.G0 p.m. 



A. D. Cockayne, of the Department of Agriculture of New Zeland, will lecture on 

 the vegetation of New Zealand. « 



Thursday, November 6. The Entomological Society, at the Cosmos 

 Club, at 8.00 p.m. 



'Tlie programs of the meetings of the affiliated societies will appear on this page if sent to the 

 ' Editor by the thirteenth and twenty-seventh of the nionth. 



