The Meteoritic Hypothesis

Contents
Preface

PART I--The fall and nature of meteorites
Chapter 1. Ancient and modern records of falls
Chapter 2. The physical characteristics of meteorites
Chapter 3. The chemistry of meteorites

PART II--The spectroscopy of meteorites
Chapter 4. Experiments on the spectra of metals found in meteorites
Chapter 5. Experiments on the glases occluded in meteorites
Chapter 6. Spectroscopic analysis of meteorites

PART III--Meteorites in the air
Chapter 7. Identity of origin of luminous meteors and falling stars with meteorites
Chapter 8. The aurora a phenomenon produced by the dust of meteors and falling stars
Chapter 9. Some experiments and a further discussion
Chapter 10 Taces of meteoritic dust in the deep oceans

PART IV--METEORITES IN THE SOLAR SYSTEM
SECTION I--METEOR SWARMS GIVE RISE TO THE APPEARANCES WE CALL COMETS
Chapter 11. Meteorites are Bodies which, like the Earth, travel round the Sun
Chapter 12. Demonstration of the Cosmical Hypothesis
Chapter 13. These Meteor Swarms are Comets
SECTION II--WHAT THESE APPEARANCES ARE
Chapter 14. The Appearances presented by Comets away from and near the Sun
Chapter 15. The Forces which Produce the various Forms observed in Cometary Swarms
SECTION III--THE SPECTROSCOPY OF COMETS
Chapter 16. The Spectra of Comets away from the Sun
Chapter 17. The Spectra of Comets immediately preceding Perihelion
Chapter 18. The Spectra of Comets at Perihelion
Chapter 19. Some Cometary Biographies
Chapter 20. Summary of the Spectral Changes
Chapter 21. Comparison of the Spectra of Comets and Aurorae
SECTION IV--ORIGIN OF COMETARY PHENOMENA
Chapter 22. The Light of Comets due to Collisions
Chapter 23. Comets represent Bodies which exist in External Space

PART V--METEORITES IN SPACE
SECTION I--THE NEBULAE
Chapter 24. Historical Notice
Chapter 25. The Spectra of the Nebulae
Chapter 26. Comparison between the Spectra of Nebulae and Comets
Chapter 27. The Wave-Length of the Cheif Nebulae Line
Chapter 28. The Fluted Character of the cheif Nebula Line
Chapter 29. The true Nature of Nebulae
Chapter 30. The probable Origin of the various Forms of Nebulae
SECTION II--THE STARS
Chapter 31. Historical Notice relating to the Classification of Stars
Chapter 32. New Views
Chapter 33. Comparison of the Spectra of some Stars, Comets, and Nebulae

PART VI--PROPOSED NEW GROUPING OF COSMICAL BODIES
Chapter 34. General Statement
Chapter 35. Sub-groups and Species of Group I.
Chapter 36. Sub-groups and Species of Group II.
Chapter 37. Sub-groups and Species of Group III.
Chapter 38. Groups IV., V., VI., and VII.

PART VII--ON THE ORIGIN OF BINARY AND MULTIPLE SYSTEMS
Chapter 39.
Chapter 40.

PART VIII--ON THE VARIABILITY IN LIGHT AND COLOUR OF COSMICAL BODIES
Chapter 41. An Introductory Statement
Chapter 42. The Causes of Variability suggested by the Meteoritic Hypothesis
Chapter 43. The Condition of Variability in Group II.
Chapter 44. The General Phenomena of Groups I, II, and VI.

PART IX--CONCLUSIONS
Chapter 45. General Conclusions

APPENDICES
A. Showing the Stars in Duner's Catalogue arranged in Species
B. Showing how the Mean Colour-Numbers in Chapter XLIII. have been obtained.

Index

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LIST OF ILLUSTRATIONS

Plate   I. The Chief Stars in the Pleiades
Plate  II. The Great Nebula in Orion
Plate III. The Nebula in Andromeda
Plate  IV. The Spiral Nebulae in Canes Venatici and Ursa Major
Plate   V. Photographs of Stellar Spectra
Plate  VI. Comparison of Spectra of Sun and Meteorites
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Plate VII. Map showing the Spectra of the Bodies of Group II.