A survey on the habitat of oncomelania snails, the intermediate host of schistosoma japonicum in the phillipines and formosa

Abstract

While some papers have been reported on the habitat survey of Oncomelania quadrasi (McMullen, 1952: Peshigan et al., 1957), no information is available on that of O. formosana. The present author had a chance of observing the habitats of both snails in the Philippines and Taiwan with the financial aid of the Senior Grant Aid of WHO. The objectives of the habitat survey of the present author on both snails is to know the general aspect of their habitat and to know the characteristic enviromental conditions common to all Oncomelania snails. The following is the results of the survey. © 1964, National Institute of Infectious Diseases, Japanese Journal of Infectious Diseases Editorial Committee. All rights reserved.