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Mr. Boyle furvives in his works; but if we would fee him express'd by real life, we must turn our eyes upon your Lordship, and your noble family, in whom reign, to perfection, the fine tafte, and the comprehenfive genius; the candid, generous, and communicative temper, fo eminently predominant in Mr. Boyle.

I am,

May it pleafe your Lordship,
Tour Lordship's most humble,

moft obedient,

and moft devoted Servant,

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thro' them.

66

ib.

23. The fimple and primary colours but

few.

P. 65

24. The fun's light ftain'd with the co-

lours of transparent bodies in passing

ib.

25. Apparent colours compound as the

genuine.

26. Experiments made with a colour'd

prifm.

67

27. Limpid liquors may afford colour-

ed vapours.

28. Several ways of producing a green

with a blue and yellow.

29. The manner wherein this colour

may poffibly be produced. 69

30. The mixture of every yellow and

every blue will not afford a green. 70

31. The colours of the rain-bow exhibit-

ed in very thin fubftances. ib.

32. Syrup of violets, and the juice of

blue-bottles, by a change of colour di-

ftinguish an acid from an alkali. 71

33. The production of a blue colour.

34. Of a red.

68

73

ib.

35. What quantity of a limpid liquid a

pigment may tinge.

74

36. Acid, alkaline, and urinous falts,

change the colours of many vegetable

productions.

ib.

37. Changes of colour by digeftion, &c.

particularly a redness.

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77 A free enquiry into the vulgar

notion of nature.

38. Different effects of an acid, in the

production of colours, reconciled. 80

39. The colours of the fumes of bodies,

and of the fubftances they form, ob-

ferved in diftillations, &c.

40. Various changes of colour, caufed

by faline fpirits, in the tinctures of

vegetables.

ib.

81

41. A colour inftantly generated, and

perfectly destroyed.

83

42. The chymical reafon of this pheno-

84

menon.

43. The preceeding experiment varied.

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4. Whether the nature of a thing be the

law it receives from the creator. 111

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161

Chance, an imaginary being. 166

Revelation allows us to speak more
pofitively of final caufes than natu-
ral philofophy.

SECT. III.

168

7. How inanimate bodies may act for

ends wherewith they are unacquaint-

ed.

SECT. IV.

170

8. How final caufes are to be confider-

ed.

172

ib.

9. As to the celestial bodies.

10. And thofe that are terreftrial. 175

11. 'Tis often allowable from the mani-

feft and appofite uses of the parts of

animal bodies, to collect fome of the

particular ends, for which the crea-

tor defign'd them: and in fome cafes

from the known nature and structure

of the parts, to draw probable con-

jectures about the particular offices of

them.

177

12. It is rational, from the manifeft

fitness of fome things to cofmical or

animal ends, to infer, that they

were thereto ordain'd by an intelli-

gent agent,

180

13. We ought not to be hafty in conclu-

ding upon the particular ufe of a

thing, or the motive which induced

the author of nature to frame it in a

peculiar manner.

14. The naturalift fhould not fuffer the

Search, or difcovery of final causes,

to make him undervalue or neglect

the enquiry after their efficients. 194

a 2

191

Things

3. The immortality of the foul. p. 241

Things above reason confider'd. 4. And fettling the belief of a divine

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Experimental philofopby leads to

Xperimental philofophy leads to

religion, general. 239

2. By difcovering the existence of God.

providence.

242

5. Experimental philofophy draws the

mind from fenfual things. 246

6. Gives it a docility.

247

7. And a fitness for fearching into deep

truths.

ibid.

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