XLVI BIOLOGICAL SOCIETY OF WASHINGTON. 



January 5 : Mr. GROVE K. GILBERT. Cliffs and Terraces. 



January 12 : Prof. OTIS T. MASON. Child Life among Savage and 

 Uncivilized Peoples. 



January 19 : Prof. EDWARD S. MORSE. Social Life among the 

 Japanese. 



January 26: Major J. W. POWELL. Win-tun Mythology. 



February 2: Prof. F. W. CLARKE. Lightning and Lightning- 

 Rods. 



February 9: Capt. C. E. BUTTON, U. S. A. The Hawaiian 

 Islands and People. 



February 16 : Prof. E. D. COPE. The Origin of Human Physi 

 ognomy. 



February 23 : Mr. JOHN MURDOCH. Eskimo Life at Point Bar 

 row. 



March i : Prof. HARVEY W. WILEY. The Sugar Industry of the 

 North. 



March 8 : Prof. SIMON NEWCOMB. Psychic Force. 



March 15 : Mr. JOHN A. RYDER. Protoplasm in the Light of 

 Recent Investigations. 



March 22 : Dr. FRANK BAKER. The New Phrenology. 



March 29 : Capt. C. E. BUTTON, U. S. A. Volcanoes. 



April 5 : Prof. T. C. CHAMBERLIN. The Great Ice Invasion of 

 North America. 



April 12 : Br. W. W. GODDING. What shall we do with the Ine 

 briates? 



April ip : Prof. J. S. NEWBERRY. The Industrial Arts as Factors 

 in Modern History. 



April 26 : Major J. W. POWELL. The Canons of the Colorado. 



FIFTY-THIRD MEETING, Becember 14, 1883. 



The President occupied the chair. Forty-five members were 

 present. 



Prof. C. V. Riley presented a paper, read by Br. Barnard, on 

 the use of NAPHTHALINE AS AN INSECTICIDE,* in discussing which 

 Br. Thomas Taylor and Prof. W. S. Barnard participated. 



,* 1884. RILEY, C. V. The use of Naphthaline as an Insecticide. <^Science, 

 III, pp. 455-45 6 > l88 4- 



