A Treatise on Insects, General and Systematic; Being the Article Entomology, from the Seventh Edition of the Encyclopaedia Britannica

A Treatise on Insects, General and Systematic; Being the Article Entomology, from the Seventh Edition of the Encyclopaedia Britannica

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1835 edition. Excerpt: ...Charpentier, p-71-78. I From /4centsr'rr;, a prophet or soothsayer. But he cannot say that he ever confirmed the observation of Roesell On the back of the nymph there are four lamina or flattened cases, which contain the germs of the wings and elytra. The eggs are deposited in a lengthened mass of two rows, and protected by an envelope somewhat of the consistence of parchment. They are of a yellow colour and elon ated form, and are usually attached by the female to tie stalk ofa plant.' Such as have the front prolonged in the form of a horn, and in which the males are provided with pectinated antennm, form the genus EMPUSA3 of Illiger. Their limbs are furnished with rounded membranous appendages resembling rufiles, and in several the edges of the abdomen are festooned. (Plate CCXXVIII. fig. 1.) Others have the anterior legs similar to the rest; the stemmatic eyes indistinct or non-existent; the first segment of the thorax shorter or not longer than the following one; the interior divisions of the ligula shorter than the lateral; the antennae inserted before the eyes, and the head almost ovoid and advanced, with the mandibles thick and the palpi compressed. These form the genus Srscrnvm, ' Stoll, which has since been divided into two, ' both of which are truly remarkable for the singular adaptation of their form and colour to such productions of the vegetable kingdom as they most affect. The sexes often differ greatly. lst, In the genus Pl-IASMA6 of Fabricius (Plate CCXXVIII. fig. 5), the body is filiform and linear, and resembles the stem of a plant or the twig of a tree. Several are entirely apterous, or have extremely short elytra. Very large species occur in the East Indies, the Moluccas, New Holland, and Soshow more

Product details

  • Paperback | 322 pages
  • 189 x 246 x 17mm | 576g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236818725
  • 9781236818720