x The Biological Society of Washington. 



May 6, 1905 4O3<i Meeting. 



Vice-President Hay in the chair and 26 persons present. 



H. D. House and others discussed the periodicity of flowering 

 stems from the perennial roots of Isotria verticillata * 



The following communications were presented : 



Paul Bartsch: Notes on the Breeding of the Woodcock about 

 Washington; An Unusual Nesting Site of the Carolina Wren.f 



C. E. Waters: Fern Stems. 



October 28, 1905 404111 Meeting. 



The President in the chair and 66 persons present 

 A. A. Doolittle exhibited a peculiar fruit of walnut. 



A. D. Hopkins spoke of the bark-beetles destructive to the 

 Colorado forests. 



H. M. Smith and others noted the unusual number of wood 

 cock and other birds recently occurring near Washington. 



H. W. Oldys presented the newly observed notes of a hermit 

 thrush. 



The following communications were presented : 



B. W. Evermann: Changes in the Bird Life on an Indiana 

 Farm During Recent Years. 



L. 0. Howard: Some notes on the Yellow Fever Mosquito. 

 Theodore Gill: An American Cretaceous Chimaeroid Ovicap- 

 sule. 



November n, 1905 405th Meeting. 



Vice-President Hay in the chair and 36 persons present. 



B. W. Evermann noted three new species of fish from Santo 

 Domingo. 



W. H. Osgood exhibited a mastodon tooth from Alaska, and 

 noted the geographical distribution of American mastodons. % 



W. L. Hahn exhibited a branch of the red maple rooting at 

 its decumbent apex, and noted an extension of range for the 

 little brown bat (Myotis lucifugus). 



C. W. Stiles cited the records for parasitic rat-tailed larvae 

 (Aristilis) in man. 



Theodore Gill spoke on the distribution of the wolf-fishes of 

 the genus Anarrhicas. 



* Will be published in Rhodora. 

 f Will be published in Proc. U. S. Nat. Mus. 

 t Proc. Biol. Soc. Wash. XVIII, 254, 1905. 

 I Proc. Biol. Soc. Wash. XVIII, 254, 1905. 



