Medical Officers of the Army of India.

11

TABLE III.—Changes occurring in Boiled Specimens of Milk from various sources
and under various conditions.

Number
of speci-
men.		 Number
of corre-
sponding
specimen
of unboil-
ed milk in
Table I.		 Date at
which
pro-
cured.		 Source. General
condition when
obtained.		 Nature and treatment
of individual
samples.		 Subsequent condition.
I ... Jan.
9th.		 House-
supply.		 ... I. Boiled in a steri-
   lised tube and
   set in the incuba-
   tor at 37°C.		 January 10th. Remaining ap-
parently. unaltered; quite fluid.
          Again boiled, January
10th and 11th.		 The specimen throughout re-
mained seemingly unaltered,
save for a faint brownish tinge
which it acquired in connection
with the repeated boiling. Sub-
sequent to the 2nd boiling it
had a faint acid reaction. It
remained fluid for as long as it
was kept in the laboratory.
II ... Jan.
16th.		 „ Reaction neu-
tral.		 I. Boiled in a steri-
   lised tube and set
   in the incubator
   at 37°C.		 January 17th. Remaining ap-
parently unaltered; quite fluid.
          Again boiled on Ja-
nuary 17th.		 Subsequent to the second boiling
it remained unaltered during a
period of many weeks in which
it was retained in the labo-
ratory.
III II Mar
8th,		 „ Neutral Treated as above March 9th. Reaction strongly
acid; fully coagulated and
separated into coagulum and
fluid.
IV III Mar.
10th.		 „ „ „ „ March 11th. Remaining fluid
and seemingly unaltered.
          Re-boiled on March
11th.		 March 13th. Remaining un-
altered.
V IV Mar
12th.		 „ „ Treated as above March 13th. Reaction neutral
quite fluid.
          Boiled again on 13th
March.		 March 14th. Seemingly un-
altered.
VI V Mar.
15th.		 Bazaar. „ Treated as above March 16th. Coagulated and
separated into coagulum and
fluid; smell caseous; reaction
acid, becoming feeble on dry-
ing.
VII VI May
9th.		 Zoolo-
gical
Garden.		 „ „ „ May 10th. Quite fluid; reaction
neutral, becoming feebly alka-
line on drying.
          Re-boiled once in the
next five days and
twice on the 6th day.		 Remained unaltered throughout
as long as it was retained in the
laboratory.

C 2