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A. PROTOZOOLOGY AND HELMINTHOLOGY.
(1) Blood films for malaria.--Four thousand six hundred and four films were examined for the presence of malarial parasites.
EXAMINATION OF BLOOD FILMS FOR MALARIA.
European Indian Chinese Total Sub-Tertian 32 44 816 892 Benign Tertian 25 51 490 566 Quartan 5 129 139 Unclassified 12 49 266 327 Double Infection... 2 41 43 Negative 343 341 1,953 2,637 Grand total 419 490 3,695 4,604(2) Filaria.-Eight films were received with a specific request for examination for filaria; five were positive for embryos.
(3) Faeces. One thousand seven hundred and twenty-one specimens of faeces were examined for the presence of intestinal parasites and the cellular exudate of bacillary dysentery.
EXAMINATION OF STOOLS FOR INTESTINAL PARASITES.
European Indian Chinese Total Ascaris 17 9 50 76 Clonorchis 8 2 62 72 Trichuris 11 6 21 38 Ankylostoma 28 28 Taenia 2 2 Multiple infestation. 4 1 96 101 E. histolytica 2 1 16 19 Negative 642 125 618 1,385 Grand total 684 144 893 1,721