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Chung Hue and Tung Lung Islands.
64. A request for information regarding the incidence of malaria in the neighbourhood of search light stations on the above, was received from the Military authorities.
65. Investigations were made in September, larvae of A. hyrcanus, A. maculatus, A. minimus, A. jeyporiensis were found in rice fields, ditches, and streams near the station on Chung Hue. No Anophelines were caught in the adjacent village but the inhabitants informed the Inspectors that malaria was not uncommon.
66. No evidence of malaria was found on Tung Lung Island.
Tai Po Rural Orphanage.
67. Complaints of the occurrence of malaria were received from this Institution in September.
68. The Orphanage is sited on a spur overlooking the Kowloon Canton Railway and is close to the Tai Po Road. On either side of the spur is a ravine with a rocky bedded stream. The ravine valleys contained rice and other cultivations as well as swampy areas.
69. A larval survey was made of the ground within half a mile radius of the Orphanage; 27 A. minimus, 123 A. jeyporiensis, 8 A. maculatus, 181 A. hyrcanus, and 2 A. karwari were collected from the 8th to 11th September. There had been heavy rain previously.
70. During the same period morning catches were made in the matshed housing the labourers engaged on building operations, 110 Anophelines were captured, 4 of which were A. maculatus, 39 A. jeyporiensis, 63 A. minimus, 4 A. hyrcanus. All were dissected, 5 A. minimus and 1 A. jeyporiensis were found infected.
71. The labourers complained of malaria. Blood smears taken from two contained no parasites. The blood of a boy residing in a neighbouring village was found infected with sub-tertian malaria. Mosquito proofing of the building was recommended.
Green Island (situated near the coast of Hong Kong).
72. The occurrence of five cases of malaria during October and November was reported by the Hon. The Harbour Master Hong Kong. Nine blood smears were taken from Chinese living on the Island, one from a man who had resided there for three years, contained sub-tertian parasites. Larvae of A. minimus and A. maculatus were found in rock pools near the shore. Recommendations were made for dealing with these pools and for treatment of the infected person.