Cover of An Introduction to Entomology: Vol. 4

An Introduction to Entomology: Vol. 4

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  • 13 hours to read
  • 24 chapters
  • Reading level: 10th to 12th grade

"An Introduction to Entomology: Vol. 4" by William Kirby and William Spence is a scientific publication written in the early 19th century. This volume focuses on the internal anatomy and physiology of insects, detailing their various bodily systems including sensation, respiration, circulation, and reproduction. It serves as a comprehensive guide to understanding the biological functions and structures of these creatures, merging observations with theological reflections on the complexity of life. The opening of this volume presents an in-depth examination of the internal anatomy of insects, beginning with their nervous system and the various types of sensory and motory organs. It explains how insects, despite their seeming simplicity, share fundamental anatomical features with vertebrates, such as specialized organs for respiration and circulation. In particular, the text highlights the distinction between the nervous systems of insects and higher animals, delving into the intricacies of how these systems operate and the implications for our understanding of insect behavior and instinct. Overall, the introduction sets the stage for a detailed exploration of insect physiology that bridges entomology with broader biological principles.

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  • Insects
  • Insect pests
  • Insect societies
  • Insects · History
  • Beneficial insects
  • Insects · Host plants
  • Insects · Life cycles
  • Insects · Habitations

Read the opening

I. Substance

1. MEMBRANOUS (Membranacea). A fine, thin, transparent
substance. A Membrane.—Ex. Wings of Hymenoptera and
Diptera.

2. PERGAMENEOUS (Pergamenea). A thin, tough, and less
transparent substance, somewhat resembling parchment.—Ex.
The Tegmina of the Orthoptera[1076].

3. CORIACEOUS (Coriacea). A thicker, flexible substance,
resembling leather.—Ex. Elytra of Telephorus and the
Malacodermi.

4. CORNEOUS (Cornea). A hard inflexible substance resembling
horn.—Ex. Elytra of Lucanus Cervus and many other
Coleoptera.

5. CRUSTACEOUS (Crustacea). A rigid calcareous substance.—Ex.
The Shell of a Lobster or Crab.

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Contents

  1. Front Matter
  2. I. Substance
  3. II. Resistance
  4. III. Density
  5. IV. Proportion
  6. V. Figure[1079]
  7. VI. Form[1082]
  8. VII. Superficies: i. Parts
  9. VIII. Margin
  10. IX. Termination
  11. X. Incision
  12. XI. Ramification
  13. XII. Division
  14. XIII. Direction
  15. XIV. Situation
  16. XV. Connexion
  17. XVI. Arms
  18. XVIII. Motion
  19. XIX. Scent: 1. ACID (Acidus). A pungent acid scent. — Ex. Many Formicæ
  20. I. Body (Corpus)
  21. II. Head (Caput): i. Direction
  22. III. Trunk (Truncus)
  23. IV. Abdomen
  24. Appendix

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About this edition

This free edition of An Introduction to Entomology: Vol. 4 by William Kirby & William Spence comes from Project Gutenberg eBook #43579, released 2013-08-27. It is in the public domain in the United States, so you can read it here in full at no cost, on any phone, tablet or computer. Genre: Science - Biology.

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