FURTHER RESEARCHES ON NORTH AMERICAN ACRIDIID^. 5 



until a health certificate enabling me to travel freely could be secured. 

 An examination of the country showed that owing to the daily and 

 long-continued torrential rains which characterized the early summer 

 in Louisiana, Arkansas, Texas, and the Territories, effective collect- 

 ing was impossible in consequence of the semi-inundated condition of 

 the flat country. 



FIG. i. Sketch map showing route traversed during the season of 1905. 



At this juncture I was fortunately able to secure from an author- 

 itative source information of the true magnitude of the fever situation 

 in Louisiana. This was to the effect, as everyone now knows, that 

 the fever had been in the city two months instead of a few days, that 

 nearly 100 cases had occurred to date, and that two other points, and 

 probably more, besides New Orleans, were infected. This statement 

 was accompanied with the advice of one experienced in fever quaran- 

 tines to " get out of the State as soon as you can, if you can." Under 

 the circumstances, in order to avoid prolonged delay under highly 

 unfavorable working conditions and the waste of valuable time and 

 opportunity, it seemed best to act at once upon this advice, which was 

 done forthwith. 



Texas and Mississippi having already declared a quarantine against 

 Louisiana, the next day saw me at work in western Arkansas, in which 

 section and the eastern part of the Indian Territory I collected with 

 good results while awaiting development of the fever situation. Find- 

 ing that there was no prospect, owing to quarantine restrictions, of 



