138 L8.C. Proceedings of the Ninth [N.S., XVIII, 
54 an shasta nig the Trichinopoly central jail onde being treated 
for the i The results showed that, with the exception of oe 
form whic y prove useful in An siplodtornion infection, only t 
drugs-oil of aeericitodicae thymol, and betanaphthol are more or ste 
cient. 
Oil of chenopodium was found t o be a mixture of several useful 
and useless aeecalarrad the febatiniwint with it is efficient, but toilsome, 
costly, and uncertain as to its safety. skein and betanaphthol treat- 
ments in sin ‘ sch of 5 grains without purgatives are simple, safe, and 
efficient, thymo ore somewhat costlier than betanaphthol. 
The above conclusions were based on the hook-worm removal with 
one test treatment ; when ba oe on the percentage of cures, 67 and 72% 
of cases were cured with thymol and betanaphthol acoenll’ vely. 
Addition of light efi docs ate cartoons increases the antici 
action of dru ial 
e drugs e found to have a remote action which brings about 
‘delayed’ te: et ae ng that except in proved cases of ae a 
Gentine ent which is known to be efficient need not be followed by an 
t 
The two drugs thymol — pacha ming gave older: good results 
in field work, The one Sie eatment without rgatives is simple 
safe and effici As no previous glee opical os shri of faeces 
is required an = as the ae need not be se egpemennaiy more than once, 
the treatment is likely to find flavour with the ma 
oe a of hookworm infection.—By K. S. Muas- 
me sibel of diagnosis of oe sehen are based on some 
e parasite. fe) 
enterin ng the skin of the host, ay cause the ‘ilarnthatory phenomena of 
ground itch, and while present in the lung may cause bronchitis. On 
reaching the intestine the Shep of the adult parasite may be detected 
Sch il by a large number Ova — esent in — faeces, or by the haem- 
rhage consequent upon the biting of thei sig tates and, indirectly, by 
the changes brought about in the blo od of eo ho After the death of 
he worm, either natural or induced, Bites Pes Bee may be detected by 
the finding 0 of gs hookworms in the es. 
— m infection, as distinguished fr hookworm disease, can- 
fy nd i 
ton is dierent outhern n Indi and in many other parts of India where 
Souler is “equally highly sentient On ee other =~ ae clinical 
dingo of hookworm disease is possible as it is base e presence 
of anaem aaa: ae arches but the process soe ae caveral liad of 
all prea causes of anaemia. 
The diagnosis of tents x infection has therefore to be based on 
laboratory — he object of this paper is to discuss the ge a 
value of t eocel methods which have been proposed. 
methods pe baad on ae examination of (A) the faeccs and (B) the blood 
of the 
a. examination of the faeces includes 
: ? pipette ee for the presence of Shan blood ; 
2. cope examination the ing of ova; 
: a pepaeeber sabttind for the finding of the larvae ; 
. the finding o 2 — Secheelphiar: removed by an efficient anthel- 
& 
De” 
The gi Ee m ore wigaee! — 
- variation in the haemoglobin co 
. the ewer mei of ther ste a Cote of eosinophiles to 
other | 
3. @ serological aie with reference to complement deviation. 
cg tia eee, ee De 

