The Pretertiary Insects of North America Including Critical Remarks on and Descriptions of Some European Forms

The Pretertiary Insects of North America Including Critical Remarks on and Descriptions of Some European Forms

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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. 1890 edition. Excerpt: ...a specimen agreeing, which seems to belong certainly to a distinct species, much more granular than those I would refer to this, and I therefore doubt whether the same description should apply to all of Meek and Worthen's specimens. The spines are all represented in dotted lines and it is impossible to say how much of them is intended to represent what can be seen on the specimen. They are represented on every segment behind the head. The legs are also mostly given in dotted lines, there being only one exception, where it is given fully as long as the width of the body and composed of four equal joints; the text, which refers to them all, says "five gradually tapering joints." On the ventral plates little round openings are marked a little above the bases of all the legs, and above them smaller dots; the former, say the authors, may be the point of attachment of the legs; the others they compare to spiracles. The second specimen figured by Meek and Worthen, marked C on p. 556, and reproduced here in fig. 7, is the posterior portion of a similar animal, presenting the same view as the last mentioned, but bent abruptly downward at the posterior end; it is much more tapering at the hinder end than at the other, being at this part only a little more than half as large as the broken anterior end; although imperfect, it is Fig-1 Euphoberia wym?/era; fig-C of larger than the other and nearly as long. It has Meek and orthen... twenty-three segments, WlllCl1 are uniformly arched on a side view, and not more than twice as broad as long. The same statement concerning the surface sculpture may be made of it as of the other specimen. ' The spines, many of which of the subdorsal series are represented, are rather short and stout, more

Product details

  • Paperback | 244 pages
  • 189 x 246 x 13mm | 440g
  • United States
  • English
  • black & white illustrations
  • 1236939433
  • 9781236939432