310SQUIT0FS AND YELLOW F EVE Li 131 



to prove," etc. The Americans were after the truth, and 

 had no desire to learn anything but the truth, that is to 

 say, they did not endeavor to substantiate any particular 

 theory. 



As a result of the investig-ations, the Governor-General 

 of Cuba, himself a medical man, General Leonard Wood, 

 became so impressed with the accuracy of the conclu- 

 sions that he authorized the promulgation of instructions 

 to commanding officers in Cuba, relative to x^rotection 

 against mosquitoes and remedial measures in connection 

 with their breeding-places. General orders were issued 

 requiring the enforcement of the use of mosquito bars in 

 all barracks, and especially in all hospitals, and the de- 

 struction of the larvae by the use of petroleum on the Avater 

 where they breed. (See Chapter VIII.) The medical offi- 

 cer who makes the sanitary inspection at each post is 

 charged with the supervision of the details of these jire- 

 cautions. As a result, the writer understands that the 

 jn-evalence of malaria has been greatly reduced in western 

 Cuba, and it is hoped that with regard to yellow fever 

 similar results will be shown during the coming year. 



The Yellow-fever Mosquito. 



The particular species of mosquito which was used by 

 Dr. Finlay in his original experiments, and Avhich is the 

 only form which has been shown by our Army Commis- 

 sion to transmit the disease, is the one which has been 

 referred to in this country as Culex fasciatus Fabricius. 

 It was so termed in the writer's bulletin, entitled "Notes on 



