46 
these worms are in an eg'g-la 3 dng stage ova will be found in the 
feces. But from a practical standpoint, severe cases present what 
seems to be a characteristic type, and even medium cases often present 
a more or less typical clinical history. 
The statement is not infrequently made that there is one way and 
onl}^ one way to diagnose a case of uncinariasis, namely, by examina- 
tion of the stools to find the parasites or their eggs. 
Academically this statement is more or less correct, yet practicall}" 
Fig. 42. — A severe case of hookworm disease observed in Florida. Note the bloated face, the drooping j 
shoulders, the prominent abdomen, and the thin arms and legs. This girl is about fifteen years 
old. Original, from a kodak photograph. I'i 
it should be somewhat modified. Sandwith (1894, p. 13), to quote 
from a clinician, states that ‘‘facies of the patient is characteristic, 
though it is difficult to describe his discontented, harassed expression, 
which sometimes changes to a ready smile after a month’s stay in a 
hospital.” The data at my disposal would lead me to divide the cases 
of hookworm disease I have observed into three general but not veiy 
sharply defined classes, namely: 
(1) Light cases^ including those in which practical^ no distinct 
symptoms of the disease are noticed, but in which a few hookworm 
.■'J 
