AnnualReport-1932 — Page 471

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# APPENDIX B.

## ANNUAL REPORT OF THE WORK OF THE

### MALARIA BUREAU.

For the year 1932. By

R. B. Jackson, M.D., D.P.H., Malariologist.

## Staff.

The staff consisted of the Malariologist, Assistant to Malariologist, four probationer inspectors, one clerk and four coolies.

## Work carried out during the year.

This was included under the following headings:-

(a) General mosquito survey of the Colony and New Territories in order to determine what species existed, their life histories, and, as far as possible, their identifications in the larval and adult stages.

(b) A general investigation of malaria and other mosquito-borne diseases.

(c) The catching of mosquitoes frequenting habitations, their identification, and, the dissections of such Anophelines as were found, for malarial infection.

(d) Investigations as to the prevalence of malaria in certain areas and the conditions under which it was existing, with a view to its abolition.

(e) Local mosquito surveys for the abatement of mosquito nuisance.

(f) The teaching of mosquitology and the instruction of the probationers in this and other matters bearing on the subject.

(g) Co-operation with Government Departments, the Military, Naval and Air Forces, public companies and private individuals in the investigation and eradication of malaria.

## (a) INVESTIGATION OF SPECIES AND THEIR LIFE HISTORIES.

### Anophelines.

The number and species of the various larvae examined are given in Table V: Table VI gives the number and species of the imagines obtained from pupae collected, and from pupae obtained from the larger larvae. As in 1930 and 1931, the larvae of A.