13. Ex Turba philosophorum.

14.

Preparatio Mercurii, ex MSS. Philosophi Americani.

15. Liber Mercuriorum Corporum. On the back an explanation of the symbols in it.

16. 47 Alchemical recipes, the work of an old Priest, viz. B.

17.

18.

Ex Rosario magno.

Emblemata Michaelis Maieri, comitis Germani.

19. Of chemical authors and their writings.

20.

21.

22.

23.

24.

25.

Collectiones ex novo lumine chemico.

Ex codicillo R. Lullii (Colon. 1563).

Notes mythological and alchemical.
Account of furnaces, &c.

Extracts from Flamel and several other authors.

A page of references to a work not named.

26. Loca difficilia in novo lumine Chymico explicata.

27. Extracts: clavis aureæ portæ, medulla Alchemiæ, de Lapide vegetabili, Pupilla Alchemiæ, &c.

28. Basil Valentini Currus triumphalis antimonii.

29. Alphabetical explanation of common chemical words.

30.

31.

Miscellaneous references.

Abstract of a treatise on Nature's obvious laws and processes

1.

The book of N. Flamel, in English.

2. The metamorphoses of the planets, with two folios of notes which are in the nature of memoranda of points adverted to in the treatise.

Symbola aureæ mensæ duodecim nationum (an account of chemical writers in 12 books).

Lusus serius. (On the medicinal virtues of mercury, tutty, &c.)
Atalanta fugiens.

Viatorium. (A chemical interpretation of some parts of ancient mythology.)

Septimana philosophica, 6 days, 7th day wanting.

4. Notanda chymica. Out of Maier (1 f.).

5. Regulæ...de lapide philosophico authore anon. and Maier's figures prefixed to Valentine's keys (1 f.).

6. Ex Epistola Edm. Dickenson ad Theodorum Mundanum (2 f.). 7. Tabula Smaragdina and other extracts. Hieroglyphica Planetarum (1 f.).

8. Extracts apparently from Van Helmont.

On the 3rd page,

last line but two, occurs "Terra juxta parallelos rotunda est, juxta meridianos ovalis. Hallucinatur."

9. Notes chiefly from Philalethes on Ripley.

10. On Ripley's gates (2 f.).

11. Ripley expounded (2 f.).

12. Notes on Ripley (an abstract).

13. Thesaurus thesaurorum, in English (1 f.).

14. A key to Snyders.

15. Sententiæ notabiles expositæ (1 f.).

16. Sententiæ luciferæ et conclusiones notabiles (4 f.). A note relating to mint affairs on top of first page.

17.

Practica Mariæ Prophetissæ in artem Alchemicam (1 f.). 18. De igne sophorum et materia quam calefacit (1 f.) extr. from various authors.

19.

Notanda chemica from various authors (1 f.). 20. De secreto solutionis (1 f.) from various authors. 21. The three fires.

works (1 f.).

22. 23.

"Clavis."

The work with sol vulgar. The several

Extracts from various authors, chiefly alchemical, but some notes also about the occurrence of minerals (1 f.).

24.

Verses at the end of B. Valentine's mystery of the microcosm. 25. The standing of the glass for the time of Putrefaction. The hunting of the Green Lyon, in verse, with some notes by Newton. 26. "Pearce the black monck upon the Elixir" (verse).

27. "Out of Bloomfield's Blossoms, and a short work that beareth the name of Sir George Ripley."

28. Extracts from Norton's ordinal, Chaucer's tale of the Chanon's yeoman, the work of Richard Carpenter, Dastin's dream.

29. Several questions concerning the Philosopher's stone, no author named (1 f.).

30. Observations of the matter in the glass, Authore Anonymo; also a recipe for an elixir (1 f.).

31. Sendivogius explained (4 f.).

32. The same in Latin, an abstract (2 f.).

33. Epistola ad veros Hermetis discipulos. S. Didier.

34. The seven chapters of Hermes, with part of an unfinished letter on the back.

35. Latin letter communicated by Frederick duke of Holstein, 1656, giving an account of the death of a Jewish magician, of his oratory, instruments, perpetual fire in a crystal, &c. with no writer's name (1 f.).

(3)

1. Jodochus a Rehe. Procédé universelle.

2. Artephius, de arte occulta lib. secretus.

3.

Abstract of Flamel's account of his hieroglyphics with a sketch of the figures.

4. Novum lumen Chymicum Sendivogii (abstract).

5. Extracts from Joh. Spagnetus. Enchiridion Physicæ, arcanum Hermetica Philosophiæ opus.

6.

Extracts from Norton's Ordinal, Dastin's dream, Black monk, the hunting of the Green Lyon, Ripley, &c.

7. Ex Augurelli Chrysopoeia, and the Marrow of Alchemy. 8. Extracts from Ripley and others. Tabula Smaragdina, and De metallorum metamorphosi (a leaf missing at the beginning).

9. Observanda. Instructio de Arbore Solari. Arca Arcani.

Epistola Grassæi. Occultæ naturæ mysterium. Appendix ad aurum potabile. Lucerna salis philosophorum. Auriga chemicus. Rosarium

magnum.

10. Snyders' Commentatio de Pharmaco Catholico.

11. References to B. Valentine's works, his process, 12 keys, and Extracts from his Testament.

12.

Miscellaneous Notes and quotations.

13. Note of information received from a Londoner as to precautions in preparation of the philosopher's stone. Mar. 3, 1695-6. 14. Notes de scriptoribus chemicis.

15. Notes and memoranda relating to alchemy (2 f.).

16. Table of contents of some work on Alchemy.

17. Notes and memoranda (2 f.).

18.

Abstract of some work, with commencement of a letter to Mr Proctor an attorney relating to a bond of Mr Tongue to Newton on the back.

19. Annotationes, being extracts from several works.

20. Account of S. Didier's keys, and what various other authors have written on the same subject. This seems to be an attempt to co-ordinate the accounts of processes described mystically by the several authors (5 f.).

21. Chemical nomenclature of the Egyptians, and a praxis of alchemy extracted from various authors, with a duplicate folio partly cancelled.

22. De mineralibus. Extracts from Geber and others. References and extracts (one on the back of a letter).

23. Diagram of lapis philosophicus cum rotis elementaribus. Memoranda about chemicals.

24.

25.

Notes of some process.

On the back of memoranda of sums owing from Mr George Gates, Mr Day, and Richard Rawlins.

26. Receipt for some compound of sulphur, mercury, antimony and silver, apparently with a view to multiplication of the silver. 27. Alchemical receipts.

28. Receipts for medicines, ink, etc.

29. Table of contents of some work.

30. Part of a treatise, containing

Lapidis compositio, out of L. Ventura,
Elementorum conversio, from the same,

Regimen ignis, from the same and Is. Hollandus,

Materia, out of Philalethes and others,

Decoctio, Regimen Mercurii, Saturni, Jovis, Lunæ, Veneris, Martis, et Solis, out of various authors, and a rough copy of part of the Decoctio.

31.

Another treatise in the form of extracts from various authors, some parts repeated, altered, and fragmentary; part Latin, part English, but no original matter.

32. Tables of contents to a similar treatise.

33. Another treatise, apparently earlier, edges partly burnt.

34. Table of contents, with a chapter de virga mercurii.

35. A collection of nine papers in a cover (originally ten), consisting of notes and extracts, the 10th paper, of ancient hieroglyphics, missing.

36. Three odd papers on the Regimen.

(4)

A common-place book, in paper cover, containing notanda. and sententiæ notabiles from various alchemical authors. Greater part blank.

5. Note as to Terra lemna, and Terra sigillata, with Leibnitz's address.

6. List of books on Chemistry with shelf-marks (perhaps in Trinity Library).

7. An alchemical recipe headed "Roth Mallor's work." On the back of the folio a recipe for making aqua regia from calcium chloride and aqua fortis, and for another menstruum which seems to be a solution of antimony chloride. The 2nd Period (a part of the foregoing recipe), but not in Newton's hand.

8. Notes of reference to some alchemical works. Diagrams of furnaces. Sundry recipes for making clay for furnaces and lutes. Note that "for rectifying spirits and ethereal oyles, nothing is better than the bladder of an ox or hogg," and a recipe for calcining gold which seems only getting it into a fine powder.

9. Dr Goddard's experiments of refining gold with antimony, extracted from Phil. Trans.

10. Part of a letter ordering some one to procure for Newton from Hamburg various metallic ores. On the back a note about something being true when angles due to difference of refraction are taken small enough, and a recipe for some plaster.

11. Notes of stannic chloride, and some chemical reactions.

12. An alchemical experiment, not in Newton's hand, which seems part of some larger work. There is a note in Newton's hand on it relating to quantities obtained in some distillation.