YELLOW FEVEK IKSTITTTTE, BULLETIN Ko. 11. 



Treamry Department, PubU^ Health and Marine-Hospital Service. 



WALTER WYMAN, Surgeon-General. 



VESSELS AS CARRIERS OF 

 • MOSQUITOES, 



BY 



Passed Asst. Surg. S. B. GRTJBBS. 



MARCH, 1903. 



; WASHINGTON: 



QOVEKNMEN 1 ^ PRINTING OFFICE. 



190 3. 



