M 71
(2) Filaria.—Thirty blood films were examined for filarial embryos—five only were positive.
(3) Faeces. Two thousand four hundred and seven specimens of faeces were examined for parasites and the typical cytological picture of bacillary dysentery. An interesting finding is that of a case of infestation with balantidium coli. This is the first time that this parasite has been reported from this laboratory. Unfortunately, it was impossible to obtain any information as to the place of origin of the patient owing to the fact that death occurred rapidly.
European Indian Chinese Total Ascaris 47 6 117 170 Clonorchis 3 101 104 Trichuris 15 4 23 42 Ankylostoma 2 5 24 31 Enterobius vermicularis 1 1 2 Multiple infestation 7 1 81 89 Balantidium coli 1 1 E. histolytica 7 7 Negative 629 188 714 1,531 Grand total 711 105 1,591 2,407Multiple infestation of table above. Eighty-nine cases of multiple infestation.
Ascaris 74 Clonorchis 27 Trichuris 51 Ankylostoma 43