M 134
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cutches. In November and December 4 A. minimus were caught in 3 morning searches in a matshed occupied by contractors' coolies. No sick were reported in the course of these visits. A larval survey was done in September in the main stream in the valley above the village. Larvae of A. maculatus only were collected.
(12) Middle Gap Road and Coombe Road.
131. A case of malaria was reported from each of these Roads. In May a survey was done in the stream flowing across Middle Gap and Mount Cameron Roads between R.B.L. 336 and R.B.L. 337. Only larvae of A. maculatus were found. In December the survey was repeated, in order to ascertain if A. minimus larvae were present in numbers, but only a few were obtained, in addition to those of A. maculatus. In August thick and thin blood films were obtained from 91 servants living in Magazine Gap Road, Coombe Road, Mount Cameron Road and Middle Gap Road; malarial parasites were found in one of these only.
(13) Kai Tak Matsheds.
132. Four visits were paid during March-June at monthly intervals to a matshed within the Airport occupied by 10 labourers. 1 A. minimus was obtained. Seven visits were paid to a matshed just outside the Airport which housed about 150 labourers, during the months January-June. 3 A. minimus, 2 A. jeyporiensis, 1 A. maculatus, 2 A. hyrcanus were captured. None of these mosquitoes were found infected and no sick labourers were met with.
(14) Tsun Wan Village.
133. The neighbouring police station has a high malaria sick rate. Mosquito catches were made in the village houses, cow byres, and pigsties in September and October. In 5 mornings, 76 A. minimus, 50 A. jeyporiensis, 7 A. maculatus, 1 A. hyrcanus were obtained. Of 72 A. minimus dissected, 4 were found infected. Of 44 A. jeyporiensis dissected 2 infections were found. No infections were found in the 7 A. maculatus.
134. Three blood films were taken from the villagers in the course of the visits, one contained parasites.
(15) Hume Pipe Company site, 10½ miles, Castle Peak Road.
135. This site was visited in November and December, investigations made and a report submitted upon the findings.
(16) Proposed site of Military Cantonments at Kowloon Tong.
136. Inspections were made in September and October. Larval surveys done in December in the streams east of the road to Shatin Pass: a report was submitted.