BOOK XXXI

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REMEDIES DERIVED FROM THE AQUATIC PRODUCTIONS.

1. Remarkable facts connected with water 471

2. The different properties of waters 472

3. Remedies derived from water 473

4. Waters productive of fecundity. Waters curative of insanity 474

5. Waters remedial for urinary calculi _ib._

6. Waters curative of wounds 475

7. Waters preventive of abortion _ib._

8. Waters which remove morphew _ib._

9. Waters which colour the hair 476

10. Waters which colour the human body _ib._

11. Waters which aid the memory, or are productive of forgetfulness 477

12. Waters which sharpen or dull the senses. Waters which improve the voice _ib._

13. Waters which cause a distaste for wine. Waters which produce inebriety _ib._

14. Waters which serve as a substitute for oil 478

15. Salt and bitter waters _ib._

16. Waters which throw up stones. Waters which cause laughter and weeping. Waters which are said to be curative of love _ib._

17. Waters which preserve their warmth for three days 479

18. Other marvellous facts connected with water. Water in which everything will sink. Waters in which nothing will sink _ib._

19. Deadly waters. Poisonous fishes 480

20. Waters which petrify themselves, or cause other objects to petrify 482

21. The wholesomeness of waters _ib._

22. The impurities of water 484

23. The modes of testing water 485

24. The Marcian Waters 487

25. The Virgin Waters 488

26. The method of searching for water _ib._

27. Signs indicative of the presence of water 489

28. Differences in waters, according to the nature of the soil _ib._

29. The qualities of water at the different seasons of the year 491

30. Historical observations upon waters which have suddenly made their appearance or suddenly ceased 492

31. The method of conveying water 494

32. How mineral waters should be used _ib._

33. The uses of sea-water. The advantages of a sea-voyage 496

34. How artificial sea-water may be made in places at a distance from the sea 498

35. How thalassomeli is made _ib._

36. How hydromeli is made _ib._

37. Methods of providing against the inconvenience of drinking suspected water 499

38. Six remedies derived from moss. Remedies derived from sand _ib._

39. The various kinds of salt; the methods of preparing it, and the remedies derived from it. Two hundred and four observations thereupon 500

40. Muria 503

41. The various properties of salt: one hundred and twenty historical remarks relative thereto 504

42. Flower of salt: twenty remedies. Salsugo: two remedies 506

43. Garum: fifteen remedies 507

44. Alex: eight remedies 508

45. The nature of salt 509

46. The various kinds of nitrum, the methods of preparing it, and the remedies derived from it: two hundred and twenty-one observations thereon 512

47. Sponges, and the remedies derived from them: ninety-two observations thereon 519

NATURAL HISTORY OF PLINY

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