M. 150
178. Very few mosquitoes were ever captured in numerous searches done in the screened building occupied by sixteen Tamil artificers. Only one of these suffered from malaria during the year. The line is not overcrowded, and the doors and windows can be kept shut at night during the hot weather without discomfort. There was overcrowding in the Chinese lines.
179. Table XVII gives the monthly malaria case rates for the years 1933, 1934, and 1935, and the annual malaria case rates for 1933, 1934 and 1935.
180. Owing to the filling up of the Reservoir at the end of the year, a boat was purchased by the Malariologist out of the Anti-Malarial Field Works Vote, in order to enable the anti-malarial Staff under his supervision to cross the Shing Mun at various points.
VIII.—INSTRUCTION OF INSPECTORS AND TEACHING OF MOSQUITOLOGY.
181. The instruction of the Inspectors was continued throughout the year.
182. A high standard of efficiency and initiative has been maintained by them, both in Laboratory and in Field Work. They are proficient not only in the diagnosis of Anopheline larvae and mosquitoes, but in those of Culicines as well. Mosquitoes not previously recorded for the Colony and mosquitoes formerly recorded, but only recently encountered, have been brought to the notice of the Malariologist by them. The feeding experiments on patients infected with malaria and with micro-filariae were successful on account of the attention which they gave them. They observed and reported that A. (F) togoi could breed in a confined space in captivity without a blood meal.
183. Preparation of infected salivary glands mounted by them in Blés Fluid have kept well for several months and show the sporozoites clearly.
184. They have made a beginning of the study of Anopheline eggs.
185. By means of a projector and a camera shutter, micro-photographs have been obtained by them of various objects, sporozoites, infected midguts, mental plates, and siphons. These were taken in a dark room, which has been constructed in the basement during the year.
M. 150
178. Very few mosquitoes were ever captured in numerous searches done in the screened building occupied by sixteen Tamil artificers. Only one of these suffered from malaria during the year: The line is not overcrowded, and the doors and windows can be kept shut at night during the hot weather without discomfort. There was overcrowding in the Chinese lines.
179. Table XVII gives the monthly malaria case rates for the years 1933, 1934, and 1935, and the annual malaria case rates for 1933, 1934 and 1935.
180. Owing to the filling up of the Reservoir at the end of the year, a boat was purchased by the Malariologist out of the Anti Malarial Field Works Vote, in order to enable the anti malarial Staff under his supervision to cross the Shing Mun at various points.
VIII.-INSTRUCTION OF INSPECTORS AND TEACHING
of MOSQUITOLOGY.
181. The instruction of the Inspectors was continued throughout the year.
182. A high standard of efficiency and initiative has been maintained by them, both in Laboratory and in Field Work. They are proficient not only in the diagnosis of Anopheline larvae and mosquitoes, but in those of Culicines as well. Mosquitoes not previously recorded for the Colony and mosquitoes formerly recorded, but only recently encountered, have been brought to the notice of the Malariologist by them. The feed- ing experiments on patients infected with malaria and with micro-filariae were successful on account of the attention which they gave them. They observed and reported that A. (F) togoi could breed in a confined space in captivity without a blood meal.
183. Preparation of infected salivary glands mounted by them in Blés Fluid have kept well for several months and show the sporozoites clearly.
184. They have made a beginning of Anopheline eggs.
the
the study of
185. By means of a projector and a camera shutter, micro- photographs have been obtained by them of various objects, sporozoites, infected midguts, mental plates, and siphons. These were taken in a dark room, which has been constructed in the basement during the year.
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