26 ANNUAL EEPORT SMITHSONIAN INSTITUTION, 1910. 



gress at Stockholm, Sweden, in August, 1910. A paper expressing 

 my view on " The abrupt appearance of the Cambrian fauna " was 

 prepared to be read at this congress. 



International American Scientific Congress. — Mr. Bailey Willis, 

 of the United States Geological Survey, was appointed a delegate in 

 behalf of the Smithsonian Institution to the International American 

 Scientific Congress to be held at Buenos Aires, July 10 to 25, 1910, 

 on the occasion of the Argentina centennial. 



Congress on Ornithology. — Mr. William Dutcher, president of the 

 National Association of Audubon Societies, was designated as the 

 representative on the part of the Smithsonian Institution and United 

 States National Museum at the Fifth International Congress on 

 Ornithology held at Berlin from May 30 to June 4, 1910, and upon 

 the nomination of the Institution Mr. Dutcher was also accredited 

 by the Department of State as a delegate on the part of the United 

 States to that congress. 



Zoological congress. — The following gentlemen were designated as 

 delegates to represent the Smithsonian Institution and United States 

 National Museum at the Eighth International Zoological Congress 

 to be held at Graz, Austria, from August 15 to 20, 1910, and the De- 

 partment of State designated them as delegates on the part of the 

 United States: Dr. Charles Wardell Stiles, of the Public Health 

 and Marine-Hospital Service, and custodian of Helminthological 

 Collections in the National Museum; Dr. Henry Haviland Field, an 

 American naturalist and director of the Concilium Bibliographicum ; 

 Dr. William E. Kellicott, professor of biology in Goucher College, 

 Baltimore ; and Mr. Austin H. Clark, Assistant Curator of the Divi- 

 sion of Marine Invertebrates, United States National Museum. 



Congress of Botany. — Dr. Frederick V. Coville, of the United 

 States National Museum, and Dr. Joseph C. Arthur, of Purdue Uni- 

 versity, were designated as representatives of the Smithsonian Insti- 

 tution to the Third International Congress of Botany held at Brus- 

 sels May 14 to 22, 1910. 



Aeronautical Exposition. — The Institution was invited to exhibit 

 some models of the Langley flying machines at an aeronautical ex- 

 position at Frankfort-on-the-Main July 10 to October 10, 1909, but 

 it was impracticable to do more than send a series of photographs of 

 the model machines in flight on May 6, 1896, and August 8, 1903, and 

 some views of the full-size aerodrome on the launching ways near 

 Widewater, Virginia. 



Inauguration of President Lowell. — The President and Fellows 

 of Harvard College invited the Smithsonian Institution to be repre- 

 sented by a delegate at the inauguration on October 6 and 7, 1909, 

 of Abbott Lawrence Lowell, LL. D., as the twenty-fourth president 

 of Harvard University. It was my pleasure to attend the ceremonies 



