TREASURY DEPARTMENT 
Public Health and Marine-Hospital Service of the United States 
HYGIENIC LABORATORY.— BULLETIN No. 46 
June, 1908 
HEPATOZOON PERNICIOSUM (N. G., N. SR); A 
HAEMOGREGARINE PATHOGENIC FOR WHITE 
RATS; WITH A DESCRIPTION OF THE 
SEXUAL CYCLE IN THE INTERMEDI- 
ATE HOST, A MITE (LELAPS 
ECHIDNINUS) 
BY 
W. W. AIILLER 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
I 908 
