A Description of Active and Extinct Volcanos, of Earthquakes, and of Thermal Springs

Preface; Part I. Descriptive Portion: 1. Introductory remarks; 2. General nature of volcanic action; 3. On the volcanos of France; 4. On the volcanos of Germany; 5. Volcanic rocks of Hungary; 6. Volcanic rocks of Transylvania; 7. Volcanic rocks of Stryia; 8. Volcanic rocks of northern Italy; 9. Central Italy; 10. Southern Italy; 11. Volcanos of Southern Italy (continued); 12. Southern Italy (continued); 13. Islands of Procida and Ischia; 14. Lipari group of islands; 15. Volcanic rocks of Sicily, etc.; 16. Sardinia, Spain, Portugal; 17. Volcanos of Iceland; 18. Grecian archipelago; 19. Asia Minor; 20. Syria, the Holy Land, and Arabia; 21. Volcanic phaenomena of Persia and the adjoining countries; 22. Volcanos of Central Asia; 23. Volcanos of Kamtschatka and the Chinese Seas; 24. Indian archipelago; 25. Islands in the Pacific Ocean; 26. Islands on the Eastern Coast of Africa; 27. African continent; 28. Islands lying to the west of Africa; 29. West Indian archipelago; 30. Volcanos of North America, or above the Isthmus of Darien; 31. Volcanos of South America, or south of the Isthmus of Darien; Part II. On Phaenomena Not Immediately Arising from Volcanos, but Supposed to Be Connected with them: 32. On earthquakes; 33. On earthquakes; 34. Thermal springs, their geological position; 35. Thermal waters, their gaseous impregnation, etc.; Part III. Deductions from the Foregoing Facts, with Reference to the Causes of Volcanos, the Circumstances that Influence the Character of their Product, and the Uses They Fulfil in the Economy of Nature: 36. General statement of the various theories by means of which the operations of volcanos have been accounted for; 37. General inferences respecting the laws or conditions of volcanic action; 38. Comparative estimate of the mechanical and chemical theories; 39. Statement of the chemical theory of volcanos; 40. On the rocks attributed to volcanic agency taking place under circumstances different from those before considered; 41. Final causes of volcanos; Appendix; Bibliography.