REPORT OF NATIONAL MUSEUM, 1925 23 



Brandies of the Department of Agriculture used the lecture rooms 

 and the auditorium on numerous occasions. On October 3, Sir John 

 Russell, of Eothamsted Experiment Station at Harpenden, England, 

 spoke on "Treating Soils." On October 27 and 29 Dr. Vernon 

 Blackman, of the Imperial College of Science and Technology, 

 in London, lectured on " The Relation of Electrical Currents to 

 the Growth of Plants " and on October 31 this same speaker 

 talked on " Some Aspects of the Physiology of Parasitism." On 

 January 26 Sir Daniel Hall, scientific advisor to the Minister of 

 Agriculture of England, spoke on " Agricultural Research and the 

 Community." 



A series of lectures under the auspices of the Forest Service began 

 on October 1 with an account by Col. W. B. Greeley, chief forester, 

 " On Preservation and Destruction of Timber " and continued with 

 six other talks, by Mr, Barnes on November 3, by Mr. Carter on 

 December 3 on " Alaska," by Colonel Greeley on January 7 on 

 " Wild Life in the National Forests," by Mr. Rockford, on February 

 4, on " Forest Ranges," by Mr. Norcross, on April 8, on " Road 

 Building," and on June 3 by Mr. Forbes on " Forests of the South." 

 On November 19 and 20 meetings of the National Conference on 

 Utilization of Forest Products, called by Secretary Wallace of the 

 Department of Agriculture, under auspices of the Forest Service, 

 were opened by an address by the President of the United States. 

 Exhibits illustrating work of the Forest Service were placed on 

 view in the lobby of the auditorium and at the south end of the 

 foyer. 



The Bureau of Agricultural Economics occupied the auditorium 

 on April 20 for an address by Dr. L, M. Estabrook on "Argentina." 

 The Federal Horticultural Board held hearings and conferences 

 in room 42-43, on blister rust quarantine on September 26, and hear- 

 ings for other purposes on June 29 and 30. 



A lecture on "Hudson's Bay " was delivered by F. Johansen on 

 January 24, under the auspices of the Bureau of Biological Survey. 



On the afternoon of May 22, the department's post. Veterans of 

 Foreign Wars of the United States, held memorial services in the 

 auditorium, in honor of the late Henry C. Wallace, and of the men 

 of the Department of Agriculture who lost their lives in the World 

 War. 



The American Society of Mammalogists, organized at a meeting 

 in the National Musemn seven years ago, held its annual sessions 

 here on April 8, 9, and 10. On the evening of April 8, Dr. W. H. 

 Osgood, president of the organization and curator of zoology in the 

 Field Museum of Natural History in Chicago spoke in the 

 auditorium " On Darwin's Trail in South America." 

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