A^ii The Biological Society of Washington. 



W. F. Wiglit: History of the Cowpea 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 — 426tli 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: 



* Hull. lO'J. Part \'I, I'.iir. I'l. Ind., I'.liiT. 



t Agriculturi' withoul IrriKiilion in thi' Sahara Desert. Hull. SO, Bur. I'l. Ind., l'.X)5. 



Date Varieties and Datr Culture in Tunis. Hull. 92, Hur. PI. Ind., I'.iOCi. 

 t Flora of Washington, pp. ;i(i to K); -IT to .■>;!. 



^Smiths. Misc. Coll. (Quar. Issue) XLVIll, p. 1, May 1, VMl. pp, ItlD-JTo, 

 II Proc. U. S. Nat. Mus., XXXII. i;'J7-636, 1907. 



