viii The Biological Society of Washington. 



W. F. Wight: History of the Covvpea and its Introduction 

 into America.* 



February 9, 1907 425th Meeting. 



The President in the chair and 45 persons present. 

 The following communications were presented: 

 A. D. Hopkins: Some Results of Anatomical Investigations 

 of the Thoracic Segments of Insects. 



T. H. Kearney: The Date Palm in the Northern Sahara. t 



February 23, 1907 426th Meeting. 



The President in the chair and 41 persons present. 



W. H. Osgood commented on the animal paintings of Carl 

 Rungius exhibited in the meeting hall. 



E. L. Morris exhibited an English walnut of peculiar shell 

 character. 



M. B. Waite exhibited peach twigs with gumming fungus. 



The following communications were presented: 



C. V. Piper: Some Features of the Distribution of Life in the 

 Columbia Basin. + 



L. Stejneger: The Celtic Horse in Norway. 



March 9, 1907 427th Meeting. 



The President in the chair and 39 persons present. 

 The following communications were presented: 

 J. W. Gidley: A New Horned Rodent from the Miocene of 

 Kansas. II 



W. H. Osgood: Notes on European Zoological Gardens. 

 C. L. Pollard: Dictionaries in their Relation to Biology. 



March 23, 1907 428th Meeting. 



The President in the chair and 21 persons present. 

 The following communications were presented : 



* Bull. 102, Part VI, Bur. PI. Ind., 1907. 



i Agriculture without Irrigation in the Sahara Desert. Bull. 86, Bur. PI. Ind., 1905. 



Date Varieties and Date Culture in Tunis. Bull. 92, Bur. PI. Ind., 1'JOfi. 

 t Flora of Washington, pp. 36 to 10 ; 47 to 53. 



$ Smiths. Misc. Coll. (Quar. Issue) XLVIII, p. 4, May 4, 1907, pp. 469-475. 

 II Proc. U. S. Nat. Mus., XXXII, 627-fi3ti, 1907. 



