_ ‘Bhe.Pre¥aot 
What the things aret obferv'd, the following de{criptions will manifefhs, 
in brief, they were either exceeding {mall Bodies, or exceeding {mall _ 
Pores; or exceeding imall Motions, fome of each of which the Reader 
will find in the following Notes,and {uch as Iprefume,’ (many of them 
atleaft) will bé new, and perbaps not lef? ftrange : Some fpecimen ‘of 
each of which Heads the Reader will find in.the Jublequent delineations, 
“oy oe 
and. dis f a more then I mas willing 1 there foould be; wibich's was 
Bag ft tb ie time to compat OF sfc therefore alba I fil 
ed. ‘only ome. femof every Head, which for ome particulars eent'd hi ae 
fervable, reeling the ref! as’ fuperfluows t0.tbe prefentDefign.. .\; 
“What each of the delineated SubjeEis’ are,the following piri he 
next to each will inform,of which I poall bere, only once for all, add, That 
in divers of. them the Gravers have pretty well follow'd my: ddireStions and 
draughts 5 and that in making of them,.I. indeavoured ‘Ca fat Dba 
able) firfito di cover the true appearance, and next to, makea plain re- 
| —prefentation of it. | Ti bis T mention’ the rather, Decaufe of the fe Rind of 3 | 
Objeéts: there is much» more di ifficulty 0 | iducooer the true [bape then of 
thee. vifib ible to the nitked eye," the fame Objet feeming: quite differing, in 
3 
2 
—— 
i 
one pafition, tothe Light, yg oe what, it really is, and may be difeover'd 
in another. «And therefore T never ‘began to: make any drai aught. before. by 
many examinations in [everal lights, a iid i in [aed ine t0'thofe 
lights, T bad di lifeover'd the true fornts. For ‘it is exceeding. dificult. in 
ome ObjeEis , ‘to diftingnifh between'a prominenicy and a deprefiion, 
between a fhadow andablack ftain,,‘or.a.tefleCtion.and. awhitenels 
in the'dolour.» Befides, the tr anfparency of moft Objeéts renders them 
yet much more di ifficult then if. they were opacous..,.. Zhe Eyes. of a Ebi in 
one kind of light appear almoft like a Lattice, drill d so gb with abun q 
dance of {mall holes ;; ‘which probably say. be the Reafon; a : be ana 
ows Dr. Power, Lot to- fuppofe them. fuch. .. In.,the Sunfbine they look. 
like, a Surface covér'd.with golden Nails ; sin another pofture,like a, Sur- 
face cover’d with ag in another with Cones ;, and in ther, po- 
fares of quite other Jbapes ; but that which exbibits the deft, .is the Light 
calleBied on the Objet; by thofe means Ihave already deferib da 
\, And 
or Wi it 
