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186. Demonstrations in the collecting of mosquito larvae and of adults were given to classes of R.A.M.C. men, other classes received an advanced course. Two Chinese coolies employed by the R.A.M.C. were instructed in mosquito catching.
187. Classes of instruction for probationer Sanitary Inspectors were continued from the previous year. Towards the end of the year classes were held for the students of the Hong Kong University.
188. A Key to the Anopheline larvae of the Colony has been prepared.
IX.-CO-OPERATION WITH OTHER DEPARTMENTS AND WITH PRIVATE INDIVIDUALS.
189. From time to time, visits were paid to the P.W.D. drainage work progress at Sookunpoo Valley, Taikoo Dockyard, Lyemun Barracks, the former Military Sanatorium site Magazine Gap, and Kowloon Tong.
190. At Taikoo a considerable portion of a trained nullah was damaged during the rains by a cloud burst over the valley. A survey was done on 24th October and larvae of A. minimus were found in the damaged nullah. There were two hospital admissions for malaria from residences nearby. The damage has been repaired.
191. The training of the important portion of an A. minimus breeding stream, adjacent to Kent Road Kowloon Tong, which was commenced on September 1933, was completed by the end of 1934. In 1932, 23 cases of malaria were notified from this neighbourhood; in 1933, 17 cases; in 1934, 1 case; in 1935, 1 case.
192. Training of portions of two other streams which have been found to harbour A. minimus and which are close to Cornwall Street, Kowloon Tong, have been recommended.
193. Four cases of malaria have been notified from that portion of Waterloo Road which lies between Rutland Quadrant and Prince Edward Road. Hitherto this area has been regarded as fairly free from malaria. Engineering works involving interference with drainage have been in progress there recently.
194. Special visits were paid with the drainage Engineer to Kowloon Tong, Taikoo Dockyard and Lyemun.