xvi biological society of washington. 



One Hundred and Thirty-eighth Meeting, 

 February 9, 1889. 



The President in the chair, and thirty-seven persons 

 present. 



The amendment to the constitution proposed at the annual 

 meeting was brought up for discussion and adopted. 



Mr. B. T. Galloway described A Disease of the Syca- 

 more.* Discussed by Mr. Crozier and Dr. Vasey. 



Dr. Thomas Taylor exhibited and Described A New Freez- 

 ing Microtome.!. Discussed by Dr. Th. Smith. 



Mr. A. A. Crozier discussed The Influence of Foreign 

 Pollen on Fruit. Discussed by Prof. Riley, and Messrs. 

 Seaman and Hopkins. 



Mr. J. N. Rose read a paper on The Geographical Dis- 

 tribution of the UMBELLiFER^.t Discussed by Dr. Mer- 

 riam. 



Dr. C. Hart Merriam gave a description of A New and Re- 

 markable Vole from British Columbia. $ Discussed by 

 Mr. True. 



One Hundred and Thirty-ninth Meeting, 

 February 23, 1889. 



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



The President announced that the council had elected Mr. 

 L. O. Howard recording secretary in place of Jno. B. Smith 

 resigned. 



* 1888. Reproduced in a paper by Miss E. A. Southworth in Ann. 

 Rept. Dept. Agr. 



t 18S8. Science, Dec. 21. 



X 1888. Coulter and Rose. Revision of the N, A. Umbelliferse, <Her- 

 barium of Wabash College, December. 



I 1889. Merriam, C. Hart. [Included in] Description of a new Genus 

 [Phenacomys), and four new Species of Arvicolinae. < N. Am. Fauna, 

 No. 2, Oct., 1889, 27-35 pis. h\ iii, iv, vi, and vii. 



