X BIOLOGICAL SOCIETY OF WASHINGTON. 



Mr. F. V. Coville read a paper entitled Fruiting of the 

 Ginkgo at the Department of Agriculture. Discussed 

 by Dr. Riley, Mr. Seaman and Mr. Fernow. 



Dr. Marx spoke of his recent Investigations of the 

 Poison Glands of Lathrodectus. Discussed by Drs. 

 Riley, Dall and Theobald Smith. 



Prof. Jos. F. James read a paper called Fucoids and 

 Other Problematic Organisms. Discussed by Mr. Lucas, 

 Dr. Dall, Prof. Ward and Mr. Mann. 



One Hundred and Sixty-sixth Meeting, 

 JsTovember 15, 1890. 



The President in the chair, and forty-three members present. 



Dr. Merriam presented a communication entitled Life in 

 the Lava Beds and Canons of Snake River, Idaho, in 

 October.* Discussed by Messrs. Walcott and Howard. 



Mr. Theodore Holm spoke of the VEGETATIVE Propaga- 

 tion OP DiCENTRA CUCULLARIA.f 



Dr. Dall presented some Paleontoi^ogical Notes from 

 the Northwest Coast.]: 



Mr. Lucas described a Foot Disease of Captive Birds. 



One Hundred and Sixty-seventh Meeting, 

 November 29, 1890. 



The President in the chair, and forty-seven members present. 



The following new active members were elected : Jno M. 

 Stedman, Merwin M. Snell and Rev. Alexis Orban. 



Dr. T. H. Bean presented a paper on The Death of 

 Salmon After Spawning. § Di.scussed by Dr. Gill, Prof. 

 Goode, Mr. Stejneger, Drs. Dall and Merriam. 



*(In part.) North American Fauna No. 5, July, 1891, pp. 6-7. 

 fBull. Torrey Botanical Club, Vol. xviii, 1891, pp. r-ii, pi. cxi-cxiii. 

 X Nautilus, Philadelphia, Vol. iv, 1S90, No. 8, pp. 87-89, December. 

 'i Forest and .Stream, November 27, 1890. 



