An Introduction to the Natural History and Classification of Insects; In a Series of Familiar Letters

An Introduction to the Natural History and Classification of Insects; In a Series of Familiar Letters

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1816 edition. Excerpt: ...May-fly, so plentiful in the early part of summer, in the vicinity of rivulets and stagnant waters. It is of a greenish brown colour, With transparent wings, elegantly mottled with brown, and has three very long, black bristles, at the extremity of the. body. The larva is of a lengthened shape, beset on each side, of the body with finny plumes, and, at the tail, with three long, feathered processes. When arrived at its full size, the rudiments of wings, resembling a pair of oblong sheaths, or scales, are visible on the back. It is a favourite food of several kinds of fishes, particularly the trout. Some seasons are so favour, able to its increase, that the air, in the immediate neighbourhood of its natal waters, is frequently blackened by its numbers, during the evening hours: and we are told, that in some parts of the duchy ofCarniola, a district in Germany, they are used as a manure. The third genus is called Phri/gania. The insects of which it consists have so near a resemblance to some of the moth tribe, that they may easily be mistaken for them: the difference, however, is marked by their palpi, or feelers, the sterameta on the top of the head, and is and the Lairs which cover their wings, instead of the scales that adorn those of the Jinnece, to which they bear the greatest affinity. The larvae of these insects live in the water in tubes formed of silken fibres, covered on the outside with small pieces of wood, sand, gravel, leaves of plants, &c.; and sometimes evfin the smaller testaceous animals arc dragged alive about with them. These larvre have an instinctive skill of making their habitations nearly in, equilibrium with the water: when too heavy, they add a bit of wood or straw; when too light, a bit of gravel. These tubes ane open at...
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Product details

  • Paperback | 40 pages
  • 189 x 246 x 2mm | 91g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236659732
  • 9781236659736