686 'Mi c r o s c o p i c a l E s s a y s .
the appearance From this fubftance, according as the time o f the
application is nearer to or more diftant.from that in .which the
Solution was made.
Fig. 1, PI. XXXI. repreFents the microFcopical cryftals oF Fak
o f wormwood. The fhootings From the edges oF this Folution are
■ oFten very thick in proportion to their length, their Fides Full ©F
notches, the ends generally acute; many Fpear-like forms are
alfo to be obFerved, .as well as ..little cryftals-oF a variety o f
figures.-
Fig. 2, Plate XX XI. the fait of amber. Tile fhootings o f this
Fait are highly entertaining, though the proceFs is very flow; many
fpicula fhoot From the edge towards the middle oF the Folution,
and From the pointed ends oF the Fpicula, a great variety o f diver-
fified branches may be obFerved, varioufly divided and Fubdivided,
and Forming at laft, Fays Mr. Baker, a winter Fcene o f trees with-
-out leaves. *
Salt o f hartfliorn, Fig. g, Plate XXXI. This fait {hoots out
from the edge oF the drop into Folid, thick, and rather opake
figures ; From thefe it often {hoots into branches of a rugged appearance,
ftmilar to thole -of fome Fpecies o f coral.
Fig. 4, PI. XXXI. repreFents the configurations offal ammoniac.
TheFe Form a moft beautiful objeft in the microFcope : a general
idea may be more ealily Formed, by confidering the figure here
■ exhibited, than by any verbal defcription.
A con-
A concise L ist of. Objects for t h e Microscope.
The Ihort lift here preFented to the reader mud, From the
nature oF the fubjett, .be very imperfeft; For the whole oF the animal,
. vegetable, and mineral kingdom^" with all their numerous
fub-divifions, Furnifh objects For the microFcope; and theie is
notone o f them that,. when properly examined, will not afford
inftrudtion and - entertainment to the rational inyeftigator of the
works of. creation. The Syftema Naturae of Linnaeus may
therefore be, Confidered as a catalogue of univerfals for micro-
fcopic obfervation,' .each of which involves a variety of particulars.,
The lift here given can be confidered as little more than a
direftory, to point out to thofe who have onlybeguntoftudy
this part of natural hiftory, a few of thofe objefts which merit
their attention, and which, from their beauties, may incite them.
to purfue the ftudy with-greater ardor.
, “ Thofe who rightly confider natural things, will find them a,
fhadow of heavenly things, a fchool in which God is the teacher,
and all the obje&s o f fenfe in heaven and earth, and under the
earth,, are as the letters of an univerfal language, in which all
nations have a common intereft. The Creator himfelf has made
this ufe of it, revealing his will by it, and referring man to ltfor
inftruftion. From hence the univerfal agreement between nature ■
and revelation. .Flence, alfo, he that can underftand God as
the fountain of truth, and the Saviour of men in the holy fcrip-
tures, will be better difpofed to underftand and adore Him as the
fountain of power and goodnefs in the natural creation. Where
foever we go in divinity,. the true.philofophy will .follow us as a
faithful, 4s