Directions for collecting and preserving insects . with cotton. The packing of specimensbetween cotton is not recommended, as it is a difficult and tedious taskto afterwards free them from the adhering fibers. Layers of soft paperor, yet better, velvet, are preferable. Envelopes for Lepidoptera, etc.—On an extended trip, it will be foundimpracticable to mount and prepare insects requiring cumbersome appa-ratus for spreading, as Lepidoptera or Neuroptera, and a very excellentplan consists in folding the wings of the k insect so that the lower surfaces come to-gether and then placing it in a tri


Directions for collecting and preserving insects . with cotton. The packing of specimensbetween cotton is not recommended, as it is a difficult and tedious taskto afterwards free them from the adhering fibers. Layers of soft paperor, yet better, velvet, are preferable. Envelopes for Lepidoptera, etc.—On an extended trip, it will be foundimpracticable to mount and prepare insects requiring cumbersome appa-ratus for spreading, as Lepidoptera or Neuroptera, and a very excellentplan consists in folding the wings of the k insect so that the lower surfaces come to-gether and then placing it in a triangu-lar envelope, as shown in the accompay-ing illustration. The collector should beprovided with a quantity of paper of therequisite dimensions for making these en-velopes, and specimens, as they are takenfrom the collecting bottle, may be rapidlyinclosed in them, labeled, and packedawav in a tight Avooden (not tin) box ^ . PIG. 104.—Method of preserving Diurnal containing a supply ot naphthaline, the Lepidoptera in paper envelopes. (Afr. specimens thus occupying the minimum of space. Specimens secured in this way may be kept without further manipulation indefinitely or until time is found to relax and set them. [75] COLLECTING AND PRESERVING INSECTS RILEY.


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Keywords: ., bookauthorrileycha, bookcentury1800, bookdecade1890, bookyear1892