CONTENTS 



Visit with him to Fumacino — ^What he said about Ross — A Grassi 

 anecdote — His ideas on Pellagra and SimuHum and what he thought 

 of bat roosts — Medical Entomology in the World War — ^The House- 

 fly — Housefly discussion at two big functions at Washington. 



Chapter VII page 144 



Early silk culture in the United States — Experiments at Washington 

 — Philip Walker — The McKinley Tariff Bill; effort to introduce a 

 tariff on raw silk — Later experimental work under Secretary James 

 Wilson — Miss Henrietta Aiken Kelly — Trip to Europe in 1902 to 

 study the industry and to buy reeling machinery — Silk culture on an 

 old Italian estate — Abandonment of department work — Guy Wilkin- 

 son's experiments in California — The present experiment at Ensenada, 

 California. 



Chapter VIII page 155 



Rapid growth of the Service at Washington — The San Jose Scale, the 

 Mexican Cotton Boll Weevil and the discovery of the transfer of dis- 

 ease by insects — The broadening of the concept ofinsect potentialities 

 — Certain contrasts — Executive work interrupting personal investiga- 

 tions — The difficulties of the Field Assistant — Visits of the Chief to the 

 field laboratories — Dudley Moulton and the Pear Thrips — The value 

 of these visits to the workers — Their value before congressional com- 

 mittees — The Klamath Falls incident — Annual reports — Newspaper 

 publicity — F. W. Clarke — How the newspapers improved in their 

 treatment of science — The old days of the Huxley lectures — F. G. 

 Novy and his Chicago address — Theodore Waters as press secretary 

 of the American Association for the Advancement of Science — E. E. 

 Slosson, Mr. Scripps, W, E. Ritter and Science Service — Austin H. 

 Clark and the present press service of the American Association for the 

 Advancement of Science. 



Chapter IX page 169 



Unintentional interchange of injurious insects between countries 

 through commerce — Early appreciation of this fact — Action of foreign 

 governments — California's early quarantine law — Addresses in 1895, 

 urging necessity of national protection — Study of foreign pests liable to 



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