编辑同志: 我看了1958年4月号“生物学通报”上“家蚕的病害”一文。其中谈到微粒子病,文中只谈到预防方法,究竟发病后怎样治疗并未涉及。我在初中与高中时都喂过蚕(家蚕),有一次,蚕将大眠的时候突然生病了,病状和生物学通报上谈的相同。但当时我并不知道是微粒子病。我的老祖母告诉我一个方法:就是利用刚从栢树上折下来的 Editor’s Comrade: I read the article “Diseases of Bombyx mori” in the Bulletin of Biology in April 1958. Which talked about particle disease, the article only talked about the prevention methods, after the onset of what treatment is not involved. When I was in middle school and high school, I fed silkworms (silkworms). Once, the silkworms suddenly became ill when they fell asleep. The same symptoms were discussed in the Bulletin of Biology. But then I did not know that it was a particle disease. My grandmother told me one way: to use just off the cypress tree