Directions for Collecting and Preserving Insects

Directions for Collecting and Preserving Insects

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Description

Excerpt: ... be of advantage, when a good deal of work is to be done, to adopt a somewhat different method. Five or six spreading-boards may be made together, forming a sort of shelf. A number of these shelves may be constructed and the whole combined in a case with a screen cover to exclude insects. The individual shelves may be arranged with grooves to slide on tongues in the side of the case. A screen-covered case for spreading-boards is always desirable, as the insects are otherwise very liable to be eaten by roaches or other insects. A spreading-case of the form described is shown at Fig. 107 . Fig. 107.show more

Product details

  • Paperback | 66 pages
  • 189 x 246 x 4mm | 136g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236735048
  • 9781236735041