146 
ment house at 2120 G street XW. Occupants of apartment, himself 
and ^vife. During six years before going to this apartment, lived 
at different boarding houses in Washington. He has never had 
typhoid fever. His wdfe had typhoid fever about thirty-eight years 
ago. Mr. J. does not know of any case of typhoid fever having 
developed at any house at which he has hved. He is not robust, 
but of ^viry type, and has enjoyed good health all liis life. 
About the 1st of June, 1908, he began to ^ffeel out of sorts,’’ had 
some loss of appetite and feehng of discomfort in region of hA^er, but 
no attacks of sharp pain. He attributed his indisposition to a torpid 
liver induced by sedentary habits. Was shghtly jaundiced. Did 
not get weighed, but thinks he lost about 15 pounds in Aveight during 
the two Aveeks in which he felt indisposed. He began to feel AA'ell 
again about the 1st of August and since then has been in his usual 
health. 
Laboratory examinations: Feces examined July 19. One of the 
Endo plates shoAA^ed three suspicious colonies; fished and planted in 
broth; 24-hour culture in broth of one of these colonies agglutinated 
AAuth antityphoid serum in dilution of 1:400; failed to ferment in 
lactose broth, and plated back on Endo in pure culture gave colonies 
characteristic of B. typhosus. The other tAvo fished colonies proved 
not to-be tA^phoid. 
Examinations of feces obtained on July 29 and on October 8 AA^ere 
negative for B. typhosus. 
On July 29 blood Avas examined. Negative for Plasmodium 
malarix, some eosiniplnlia obserA^ed. Feces examined for animal 
parasites, but result negath^e. 
Blood gaAm negative result to Widal test on July 29. 
2. C. E. Male; Avhite; age 14 years; schoolboy. Born in Wash- 
ington. Has hved at present home, 301 Massachusetts aA^enue NE. 
for past five years. Eleven in family — father, mother, and nine 
cliildren. No one in family had typhoid fever except boy’s mother, 
AAdiose attack occurred forty-tAvo years ago. 
No one in the family has been ill in any Avay A\dthin the past four 
years. ‘C. E. had a shght cold (nasal) about the middle of August. 
The cold lasted for only a feAV days and did not interfere AAuth his 
activities. 
Laboratory examinations: Feces on September 3 gave positive 
result for B. typhosus. 
Examination of feces obtained September 15 and on October 24 
both negative for B. typhosus. 
On September 3, at the time the specimen of feces giving positive 
result Avas dehvered for examination, 4 control specimens AA'ere 
examined. One of these, containing 5 drops of 24-hour broth culture 
of typhoid bacillus, added to the feces just before examination, was 
not detected by the examination. 
