236 0/ the Scales of Fifties. 
Creatures they hand alone, but the whole 
Fly Tribe have little Covers or Shields under 
which they lie and move. Infedts that have 
four Wings balance themfelves with the 
two leffer ones, and as they want not, have 
none of thefe little Poifes. The Microfcope 
may probably find out fiill farther Beauties* 
Contrivances* and Ufes for them than have 
been yet difcovered. 
CHAP. XL, 
Of tht Scales of Fishes. 
T H E Scales or outfde Coverings of Fijhes 
are formed with furprizrng Beauty 
and Regularity; and, in different Kinds of 
them, exhibit an endlefs Variety in Figure 
and Contexture. Some are longifh, fome 
round, fome triangular, fome fquare, and 
fome or other of all Shapes we can well ima¬ 
gine. Some again are armed with fharp 
Prickles* as thofe of the Pearch, Soal, &c^ 
Others have fmoo.th Edges,, as of the Cod* 
ffh. Carp, 'Fench, &c. There is like wife a 
great Variety even in the fame Fifh; for the 
Scales taken from the Belly, the Back, the 
Sides, the Head, and all the other Parts, are 
very different from one another. And, in¬ 
deed, for Variety, Beauty, Regularity,, and 
