16
Pākā
la junction.—This supply was examined but once, during the year. The loco well
was better than the twin wells but still poor in quality. As supplied there was further
deterioration.
Pō
danūr junction.—At this station there is a chlorinated water-supply intended for
the troops, in addition to the untreated water-supply to the general public. The untreated
water was variable in quality. The chlorinated supply was found to suffer as a result of
under or over cholorination due to the want of properly controlled field tests.
Rē
nigunta junction.— The water-supply at this station continued to be of a passable
quality.
Samalkōta junction.—On both the occasions this supply was examined during this year
the water had not reached its original level of purity.
Tanjore junction.—In March the supply was fair but in September there was slight
deterioration.
Trichinopoly junction.—The railway reservoir was found. to adversely affect the quality of
the water originally derived from the municipal supply.
Villupuram junction.—The water of the well has always been on the hard side chemically.
Bacterially it was passable at both the examinations.
Vizianagram.—In July the water was just passable and in December there was definite
improvement.
Waltair junction. —The wells showed signs of deterioration but the water as supplied.
was found to have improved to a passable extent.
APPENDIX IV (see facing page).
APPENDIX V.
CULTIVATION OF KALA AZAR BODIES FROM THE PERIPHERAL BLOOD.
Lt.-Col. J. W. Cornwall, I.M.S., working on Kala Azar in 1916 came to the conclusion
that it is possible to diagnose the disease by cultivation of the Kala Azar bodies from the
peripheral blood, whenever the resources of a laboratory were available for the purpose. His.
conclusions were based on a cultural analysis of seven consecutive cases.
Several attempts were made in this laboratory in 1918 and 1919 at cultivating these
bodies, but success was obtained in a very few cases only. The examination of films of
peripheral blood is a tedious and uncertain procedure and negative findings can never be
relied upon for diagnosis. Though the cultural method of diagnosis is intended to effect a
definite improvement over the microscopic method there are evidently several factors
concerned, in getting a successful cultivation from cases clinically diagnosed as definite Kala
Azar. An attempt was, therefore, made to study these factors governing the success of
cultivations. Eighteen blood specimens from cases suspected to be suffering from Kala Azar
were obtained for examination and a tabular statement of these cases is given below.
No.
Date.
Particulars of
source of blood.
Brief clinical
history.
Enlargement of
spleen and liver.
Finding of
parasites in
peripheral blood
smears and
result of other
examinations.
Result of
blood
culture.
Final
clinical
diagnosis.
1
1920.
16th June Patient in 1st Phy-
sician's ward.
Continuous fever
for
over
2
months.
Present
... Negative
... Negative. Kala Azar.
2
Do.
Another in 1st
Physician's ward.
?
Do.
...
Do.
...
Do.
Do.
3
Do.
Patient
in 4th
Physician's ward.
?
Do.
...
Do.
...
Do.
Do.
4 24th June Mrs.
D'Bross;
Landsdowne, 9.
Fever for over 3
months.
Do.
...
Do.
... Positive.
Do.
4A 8th July Mrs.
D'Bross ;
for 2nd time.
Do.
Do.
...
Do.
... Negative.
Do.
5 29th June Florence, 12
... Continuous fever. Slight
...
Do.
...
Do.
Do.
5A 8th July
Do.
...
Do.
Do.
...
Do.
...
Do.
Do. ...
6 19th July Child aged 2½ years
C/o Dr. T. S. Iyer.
Fever
for
1
month,
anti-
mony adminis-
tered orally for
a month with-
out effect.
Liver below um-
bilious.
Do.
...
Do.
Infantile
liver.
7 21st July U. S. C/o Major
Ingram, I.M.S.
Continued fever. Negative
...
Do.
...
Do.
Colitis.