kiss the Paphian shrine, And 
learns erelong, the perfect form confess'd, 35 Ideal Beauty from its 
mother's breast. Now in strong lines, with bolder tints design'd, You 
sketch ideas, and portray the mind; Teach how fine atoms of impinging 
light To ceaseless change the visual sense excite; 40 While the bright 
lens collects the rays, that swerve, And bends their focus on the moving 
nerve. How thoughts to thoughts are link'd with viewless chains, Tribes 
leading tribes, and trains pursuing trains; With shadowy trident how 
Volition guides, 45 Surge after surge, his intellectual tides; Or, Queen 
of Sleep, Imagination roves With frantic Sorrows, or delirious Loves. 
Go on, O FRIEND! explore with eagle-eye; Where wrapp'd in night 
retiring Causes lie: 50 Trace their slight bands, their secret haunts 
betray, And give new wonders to the beam of day; Till, link by link 
with step aspiring trod, You climb from NATURE to the throne of 
GOD. --So saw the Patriarch with admiring eyes 55 From earth to 
heaven a golden ladder rise; Involv'd in clouds the mystic scale ascends, 
And brutes and angels crowd the distant ends. 
TRIN. COL. CAMBRIDGE, _Jan._ 1, 1794. 
* * * * * 
REFERENCES TO THE WORK. 
_Botanic Garden._ 
Part I. 
Line 1. Canto I. l. 105. ---- 3. ---- IV. l. 402. ---- 4. ---- I. l. 140. ---- 5. 
---- III. l. 401. ---- 8. ---- IV. l. 452. ---- 9. ---- I. l. 14. 
_Zoonomia._ 
---- 12. Sect. XIII. ---- 13. ---- XXXIX. 4. 1. ---- 18. ---- XVI. 2. and 
XXXVIII. ---- 26. ---- XVI. 4. ---- 30. ---- XVI. 4. ---- 36. ---- XVI. 6. 
---- 38. ---- III. and VII. ---- 43. ---- X. ---- 44. ---- XVIII. 17. ---- 45. 
---- XVII. 3. 7. ---- 47. ---- XVIII. 8. ---- 50. ---- XXXIX. 4. 8. ---- 51. 
---- XXXIX the Motto. ---- 54. ---- XXXIX. 8. 
* * * * * 
PREFACE.
* * * * * 
The purport of the following pages is an endeavour to reduce the facts 
belonging to ANIMAL LIFE into classes, orders, genera, and species; 
and, by comparing them with each other, to unravel the theory of 
diseases. It happened, perhaps unfortunately for the inquirers into the 
knowledge of diseases, that other sciences had received improvement 
previous to their own; whence, instead of comparing the properties 
belonging to animated nature with each other, they, idly ingenious, 
busied themselves in attempting to explain the laws of life by those of 
mechanism and chemistry; they considered the body as an hydraulic 
machine, and the fluids as passing through a series of chemical changes, 
forgetting that animation was its essential characteristic. 
The great CREATOR of all things has infinitely diversified the works 
of his hands, but has at the same time stamped a certain similitude on 
the features of nature, that demonstrates to us, that the whole is one 
family of one parent. On this similitude is founded all rational analogy; 
which, so long as it is concerned in comparing the essential properties 
of bodies, leads us to many and important discoveries; but when with 
licentious activity it links together objects, otherwise discordant, by 
some fanciful similitude; it may indeed collect ornaments for wit and 
poetry, but philosophy and truth recoil from its combinations. 
The want of a theory, deduced from such strict analogy, to conduct the 
practice of medicine is lamented by its professors; for, as a great 
number of unconnected facts are difficult to be acquired, and to be 
reasoned from, the art of medicine is in many instances less efficacious 
under the direction of its wisest practitioners; and by that busy crowd, 
who either boldly wade in darkness, or are led into endless error by the 
glare of false theory, it is daily practised to the destruction of thousands; 
add to this the unceasing injury which accrues to the public by the 
perpetual advertisements of pretended nostrums; the minds of the 
indolent become superstitiously fearful of diseases, which they do not 
labour under; and thus become the daily prey of some crafty empyric. 
A theory founded upon nature, that should bind together the scattered 
facts of medical knowledge, and converge into one point of view the
laws of organic life, would thus on many accounts contribute to the 
interest of society. It would capacitate men of moderate abilities to 
practise the art of healing with real advantage to the public; it would 
enable every one of literary acquirements to distinguish the genuine 
disciples of medicine from those of boastful effrontery, or of wily 
address; and would teach mankind in some important situations the 
knowledge of themselves. 
There are some modern practitioners, who declaim against medical 
theory in general, not considering that to think is to theorize; and that 
no one can direct a method of cure    
    
		
	
	
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