XXII BIOLOGICAL SOCIETY OF WASHINGTON. 



Secretaries— "^x. J. B. Smith. Mr. F. A. Lucas. 



Treasurer — Mr. F. H. Knowlton. 



Additional Members of the Council — Dr. T. H. Bean, Dr. 

 J. H. Kidder, Prof. R. E. C. Stearns, Mr. F. W. True, Dr. 

 George Vasey. 



The President announced the following Committee on Satur- 

 day Lectures : Prof. G. Brown Goode, Chairman ; Dr. Frank 

 Baker, Mr. G. K. Gilbert, Dr. C. Hart Merriam, Prof. C. V. 

 Riley. 



One Hundred and Twentieth Meeting, Jan. 28, 1S8S. 

 (Eighth Anniversary Meeting). 



The eighth anniversary meeting of the Society was held in the 

 lecture hall of Columbian University, on the evening of January 

 28, about seventy-five persons being present. 



The President, Mr. William H. Dall, delivered an address, en- 

 titled, Some American Conchologists.* 



SATURDAY LECTURES, 1886. 



The fifth course of Saturday Lectiu'es under the auspices of the 

 Biological Society and the Anthropological Society was begun 

 March 6, iSS6. The lectures were delivered in the lecture room 

 of the National Museum, and the following programme was carried 

 out : 



March 6 : Mr. William Hallock. The Geysers of the Yellowstone. 



March 12: Prof. William Harkness. How the Solar System is 

 measured. 



March 20 : Prof. T. C. Mendenhall. The Nature of Sound. 



March 27: Prof. F. W. Clarke. The Chemistry of Coal. 



April 3 : Dr. C. Hart Merriam. The Migration of Birds. 



April 10 : Dr. Washington Matthews. The Gods of the Navajos. 



April lb : Dr. D. B. Simmons. Social Status of the Women of Japan. 



April 24 : Prof. W. K. Brookes. Life. 



May I : Prof. Lester F. Ward. Heredity and Opportunity. 



Alay S : Dr. John S. Billings. Animal Heat. 



* These Proceedings, pp. 95-134. Extras printed with title page and 

 cover. 



