岡山県下に於ける「マメタニシ」の分布及び犬猫の肝吸虫寄生状況

Okayam Prefecture is noted as a distribution area of Clonorchis sinensis. We have found K. Nagano (1927) and S. Inatomi (1950) to report on the distribution of Bulimus striatulus var. japonicus. But, lately, we have noticed a change in this distribution during undergo. Then, we have investigated the distribution of Bulimus striatulus var. japonicus at OKayama Prefecture in 1954. By this we found the redusing and restriction of the distribution area of Bulimns striatulus var. japonicus and Clonorchis sinensis of 20.63% from the dogs and 45.54% from the cats of this area.