The Crayfish: An Introduction to the Study of Zoology.

30 chapters

1. 1THE CRAYFISH, AN INTRODUCTION TO THE STUDY OF ZOOLOGY BY T. H. HUXLEY, F.R.S.
2. 2PREFACE.
3. 3CONTENTS.
4. 4LIST OF WOODCUTS.
5. 5CHAPTER I. THE NATURAL HISTORY OF THE COMMON CRAYFISH (Astacus fluviatilis.)
6. 6CHAPTER II. THE PHYSIOLOGY OF THE CRAY­FISH. THE MECH­A­NISM BY WHICH THE PARTS OF THE LIV­ING EN­GINE ARE SUP­PLIED WITH THE MA­TER­I­ALS NEC­ES­SARY FOR THEIR MAIN­TE­NANCE AND GROWTH.
7. 7CHAPTER III. THE PHYSIOLOGY OF THE CRAY­FISH—THE MECH­A­NISM BY WHICH THE LIV­ING OR­GAN­ISM AD­JUSTS IT­SELF TO SUR­ROUND­ING CON­DI­TIONS AND RE­PRO­DUCES IT­SELF.
8. 8CHAPTER IV. THE MORPHOLOGY OF THE COM­MON CRAY­FISH: THE STRUC­TURE AND THE DE­VEL­OP­MENT OF THE IN­DI­VI­DUAL.
9. 9CHAPTER V. THE COMPARATIVE MORPH­OL­O­GY OF THE CRAY­FISH.—THE STRUC­TURE AND THE DE­VEL­OP­MENT OF THE CRAY­FISH COM­PARED WITH THOSE OF OTHER LIV­ING BEINGS.
10. 10CHAPTER VI. THE DISTRIBUTION AND THE ÆTIOLOGY OF THE CRAYFISHES.
11. 11NOTES.
12. 12NOTE I., CHAPTER I., p. 17. THE CHEMICAL COMPOSITION OF THE EXOSKELETON.
13. 13NOTE II., CHAPTER I., p. 29. THE CRAB’S EYES, OR GASTROLITHS.
14. 14NOTE III., CHAPTER I., p. 31. GROWTH OF CRAYFISH.
15. 15NOTE IV., CHAPTER I., p. 37. THE ECDYSES OF CRAYFISHES.
16. 16NOTE V., CHAPTER I., p. 39. REPRODUCTION IN CRAYFISHES.
17. 17NOTE VI., CHAPTER I., p. 42. ATTACHMENT OF THE YOUNG CRAYFISH TO THE MOTHER.
18. 18NOTE VII., CHAPTER II., p. 64. THE “SALIVARY” GLANDS AND THE SO-CALLED “LIVER” OF THE CRAYFISH.

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