Behavior Monographs Volume 1-5

Behavior Monographs Volume 1-5

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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. 1911 edition. Excerpt: ...which may in a very small per cent, of cases be maintained longer than one-half minute. It seems probable, that in some individuals at least, the shock effect may perhaps cause a renewed tetanic condition of the leg muscles, which condition may last for a considerable length of time after the cut was made. With the exception of the behavior shown immediately after severing the body, the reactions of the severed posterior portion of the body of Belostoma is somewhat similar to that of the decapitated individual. If the body of Nepa is severed between the first two thoracic segments, the part anterior to the cut will react very similar to the intact specimen, while the posterior portion behaves like decapitated individuals. 12. When Nepa is cut across the metathorax behind the last ganglion, the severed posterior part does not respond to any sort of a stimulus; the anterior portion, on the other hand, again reacts similar to the intact bugs. We are indebted to Prof. S. J. Holmes for many valuable suggestions in this work and for the constant use of literature borrowed from his library. BIBLIOGRAPHY. 1. Andrews, E. A. Breeding Habits of Crayfish. Amer. Nat., XXXVIII, 1904. pp. 1G5-206. 2. Barret, O. W. The Changa, or Mole Cricket (Scaptericus didactylus Latr.) 1902. in Porto Rico. Porto Rico Agr. Exp. Sta. Bull. 2. 3. Bueno, J. R. De La Torre. Life-Histories of North American Water-Bugs. 1906. I, Life-History of Belostoma fluminea, Say. Can. Ent. XXXVIII, pp. 189-197. 4. Darwin, C. Appendix in Romanes, G. J. Mental Evolution in Animals. 1884. (The full text of a part of Mr. Darwin's chapter on Instinct written for the " Origin of Species," but afterwards suppressed for the sake of condensation.) pp. 3,55-384. 5. De Geer, C. more

Product details

  • Paperback | 146 pages
  • 189 x 246 x 8mm | 272g
  • United States
  • English
  • black & white illustrations
  • 1236962958
  • 9781236962959