VIII BIOLOGICAL SOCIETY OF WASHINGTON. 



ONE HUNDRED AND SIXTY-FIRST MEETING, 

 May 3, 1890. 



The President in the chair, and thirty-six members present. 



Mr. J. R. Edson was elected an active member. 



Dr. Robert Reyburn read a paper entitled THE LIFE 

 HISTORY OF MICRO-ORGANISMS WITH. ITS RELATION TO THE 

 THEORY TO EVOLUTION.* Discussed by Dr. Theobald Smith, 

 Dr. Salmon, Mr. True, Mr. Erwin Smith, Dr. Shaeffer, Mr. 

 Seaman and Dr. Dall. 



Dr. Vasey read a paper entitled A NEW GRASS GENUS, t 

 Discussed by Messrs. Holm, Coville and Prof. Ward. 



ONE HUNDRED AND SIXTY-SECOND MEETING, 

 May 17, 1890. 



The President in the chair, and thirty-six members present. 



Mr. T. S. Palmer read a paper entitled SOME EARLY VIEWS 

 OF GEOGRAPHICAL DISTRIBUTION OF SPECIES. Discussed by 

 Dr. Merriam. 



Mr. F. W. True exhibited a specimen of Lophiomys imhansii. 

 Discussed by Dr. Merriam. 



Prof. W. H. Seaman read a paper entitled THE PLACE OF 

 BIOLOGY IN THE PUBLIC SCHOOLS. J Discussed by Profs. 

 Chickering and Ward, Dr. Baker and Messrs. Waite and 

 Howard. 



ONE HUNDRED AND SIXTY-THIRD MEETING, 

 May 31, 1890. 



The President in the chair, and twenty-six members present. 



Dr. C. H. Merriam exhibited specimens of sundry new 

 species of NORTH AMERICAN MAMMALS. Discussed by Dr. 

 Gill. 



* American Monthly Microscopical Journal, June, 1890. 



t Bot. Gazette, xv, 1890, p. 106. 



i The American Anthropologist for October, 1891. 



