1922.] Indian Science Congress I.S.C. 145 
He gives a neg of cases of cholera occurring in 88 inoculated persons 
and wishes to r if his experience is verified by other r worker 
The 4 fatal cases which were inoculated occurred in three of the 
series as folloe 
Series I Cases, Deaths. 
6 ) Mortality 
Series I] Cases. Deaths. ', 25% 
51 
Series IV Cases. Deaths. 
2] 7 ! 33% 
No case occurred in Series ITI. 
The author summarises his conclusions as follows : 
“* In the first place I have had no case of cholera et up to date 
in any individual who received a single dose of 1-5c.c. of m and I think 
ifies 
no Se offecta whatever from giving the larger dose, and expe- 
Le 
silted x Pe yse 
Is ould Aenard poo y secre that a first dose of 1 ¢.c. followed in ae 
days vbye one of 2c.c. would be ideal produce, but I had no oppor 
nity of 8 hia in the district 
rmly aeviaeie ‘of the value of inoculation and I will 
admit hat Wide t started I was somewhat sceptical.” 
ane dose of he eee vaccine necessary in re-inocula- 
L. W. F. Harvey, I.M.S8. 
The author records experiments which tend towards the conclusion 
that dosa ies in ibe ot bi actic re-inoculation need not be as large as those 
used on first inoculati 
Observations on the incidence of cholera in the indivi- 
dual districts in the Madras Presidency.—By Magsor 
A. J. H. Russe.t, I.M.S. a 
de w 
This paper gave the baile of a preliminary investigation ma 
eee aac, the. In an attempt to throw light on some of the problems 
connected w ‘th the prevention o of cholera, maps of the a, : ig 
ing the areas affecte d by the south -w and north-eas A SSgidaniey outa 
prepared and these showed shah: pers spe king ’ ne “ab raid ee 
oO ni 
In the sonoen area affected by the spree ogaat ant Wb the af ae 
for each district reached its maximum in July or Augu 
dually fell to fee ermal figure. In 
much i 
ad distinctive 
than in others but was nevertheless qu ne 
cidence of ¢ aes to “months after cae. i : 
petetiiaaagg the ong reac ae nce of 
! a result of the influe 
January, The sphere ea er Ae - to produce any very appre 
the south-west monsoon were not su 
10 
