TABLE OF CONTENTS.
	PAGE
Introduction	1
I. Staff and buildings	1
II. General	2
III. Financial	4
IV. Scientific—
(i) Vaccine Section—
(a) Seed lymph	5
(b) Substitution of glycerine lymph for lanoline lymph as the routine                      lymph for the Presidency	5
(c) Types of lymph issued during the year	5
(d) Results obtained with glycerine and lanoline lymph	5
(e) Work in the Saidapet Range	7
(f) Yield of pulp	8
(ii) Bacteriological Section—
(a) Preparation and supply of bacterial vaccines	8
(b) Examination of specimens	9
(c) Antitoxic sera	10
(iii) Public Health section	11
Municipal water supplies	11
Jails	12
Railway stations	12
(iv) Investigation units	12
(v) Water Filtration Committee	15
V. Assistance to other departments	16
VI. Educational	17
VII. Research work	18
Distinguished visitors	19
Conclusion	19
Statements 1 to 16 and charts	20

Appendix No.	I.—Synopsis of reports on individual water supplies	27
Do.	II.—Report on the working of the King Institute Camp Laboratory, Alipuram Jail, Bellary	30
Do.	III.—Report on the working of the Investigation Unit sent to investi- gate relapsing fever in the Tanjore district	34
Do.	IV.—Report on the investigation into the outbreak of typhoid fever at St. George's Homes, Kaiti	39
Do.	V.—Report on the investigation into the outbreak of cholera in the Coimbatore Jail	40
Do.	VI.—Report on the working of the Bacteriological Laboratory attached to the Cannanore Central Jail	45
Do.	VII.—Report on the experiments carried out at the Guindy Experimental Filters between 1921 and 1923	50
Do.	VIII.—Report on the occurrence of cerebrospinal fever in the Bellary Central Jail	55
Do.	IX.—Report on the experiments with "Stabilised Bleach" for the sterilization of drinking water	57