TREASURY DEPARTMENT. 
Public Health and Marine-Hospital Service of the United States. 
Walter WymAn, Surgeon-General. 
HYGIENIC LABORATORY.— BULLETIN No. 34. 
IVL. J. ROSEiSTAU, Director, 
May, 1907. 
L Agamofilana georgiana n* sp^, an Apparently New Round- 
worm Parasite from the Ankle of a Negress. 
IL The Zoological Characters • of the Roundworm Genus 
Filaria Mueller, 1787. 
III. Three New American Cases of Infection of Man with 
Horse-hair Worms (species Paragordius varius)^ with 
Summary of all Cases reported to date. 
BY 
CH. WA.RDELL STILES. 
1 1 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1907. 
