English: CONSIDERATION FOR SOME EXAMPLES OF NUMEROUS PARASITISM OF THE HOOKWORM BY NATURAL INFECTION : ESPECIALLY ABOUT THE COURSE OF INFECTION NUMBER OF PARASITISM AND THE LIMIT NUMBER OF NUMEROUS PARASITISM OF THE HOOK-WORM
Japanese: 自然感染の鉤虫多数寄生例の考察 : 特に感染經路の問題と鉤虫寄生数及び限界寄生数について