. Butterflies worth knowing. Butterflies. Butterfly Envelopes. Fold first on line AB; then on AD and CB; then on BF and EA. (From Holland) tie will always be air tight. The sawdust is often omitted, the plaster of paris being poured directly over the cyanide. The special advantage of the sawdust is that it tends to absorb the cyanide in case it liquefies, as it often does in damp weather. As this cyanide is a deadly poison, it is better to let a druggist prepare the bottle or else to buy it already pre- pared of the dealers in such supplies. After the specimens have been killed in the cyanide


. Butterflies worth knowing. Butterflies. Butterfly Envelopes. Fold first on line AB; then on AD and CB; then on BF and EA. (From Holland) tie will always be air tight. The sawdust is often omitted, the plaster of paris being poured directly over the cyanide. The special advantage of the sawdust is that it tends to absorb the cyanide in case it liquefies, as it often does in damp weather. As this cyanide is a deadly poison, it is better to let a druggist prepare the bottle or else to buy it already pre- pared of the dealers in such supplies. After the specimens have been killed in the cyanide bottle, some method of keeping them is necessary. The simplest way is to pre- serve them with their wings closed together in pieces of paper folded over into triangles as indicated on th^. Setting Board with Butterfly in place Holland) (From. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Weed, Clarence Moores, 1864-1947. [Garden City, N. Y. ] Pub. by Doubleday, Page & Company for Nelson Doubleday


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbutterf, bookyear1923