Afterword and captions to tables H. N. Swimmer. Drawings in the text G. Orlova. In early youth, many are fond of catching butterflies .. But often the young butterfly gatherer does not really know how and what to do to make his collection not just butterflies in a box, but had scientific value. But for this, you need to follow some rules .. In his book C. T. Aksakov gives several such instructions . But since then, as C. T. Aksakov collected butterflies, more than a hundred years have passed, and much is now being done differently than in those days. To help young collectors, we put here the basic rules for catching and collecting butterflies.