X The Biological Societi/ of Washington. 



May 6, 1905 — 403d 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 ahout 

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



C. E. Waters: Fern Stems. 



October 28, 1905 — 404th Meeting. 



The President in the chair and 66 persons present 

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



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 11, 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 exhil)ited a mastodon tooth from Alaska, and 

 noted the geographical distribution of American mastodons. + 



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

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

 little brown ))at { Mi/otis lucifugus) .^ 



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

 (Aristilis) in man. 



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

 the genus Anarrhicas. 



* Will be published In Rhodora. 

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

 X Proc. Biol. Soc. Wash. XVIII, 254, 190.3. 

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



