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Hooke, Robert, 1635-1703 / Micrographia: or some physiological descriptions of minute bodies made by magnifying glasses : with observations and inquiries thereupon
(MDCLXVII [1667])

Observ. LII. Of the small silver-colour'd book-worm,   pp. 208-210


Page 208


208                    MICROG R A HP I A.
       thofe kinds of crftfaceous creatures, efpecially about their bellies,
and
       feem'd of three kinds ; the head F feem'd cover'd with a kind of fealy
       ibell, the thorax with two fmooth fhells, or Rings, G G, and the belly
       with eight knobb'd ones. I could not certainly find whether it had
under
       there laft fhells any wings, but I fufFed the contrary ; for I have
not found
       any wing'd Infe&t with eight leggs, two of thofe leggs being always
con-
       verted into wings, and, for the moff part, thofe that have but fix,
have
       wvings.
         This creature, though I could never meet with more then one of
       them, and fo could not make fo many examinations of it as otherwife
I
       would,ldid notwithftanding,by reafon of the great curiofity that appear'd
       to me in its fbapedelineate it, to {hew thatin all likelihood, Nature
had
       crouded together into this very minute Infe&, as many, and as
excellent
       contrivances, as into the body of a very large Crab, which exceeds
it in
       bulk,perhaps,fome Millions of times ; for as to all the apparent partstthere
       is a greater rather then a lefs multiplicity of partseach legg has
as many
       parts, and as many joints as a Crabs, naykand as many hairs or brifles;
and
       the like may be in all the other vifible parts ; and 'tis very likely~that
the
       internal curiosities are not lefs excellent: It being a general rule
in Na-
       ture's proceedings, that where The begins to difplay any excellency,
if
       the fubje&t be further fearch'd into, it will manifeft, that there
is not lefs
       curiofity in thofe parts which our fingle eye cannot reach, then in
thofe
       which are more obvious.
           Obferv. L I I. Of the fmall Silver-colour'd Book-worm.
        A S among greater Animals there are many that are fcaled, both for
        FA  ornament and defence, fo are there not wanting fuch alfo among
the
        lefler bodies of Infeffs, whereof this little creature gives us an
Infsance.
        It is a fmall white Silver-fhining Worm or Moth,which I found much
con-
        verfant among Books and Papers, and is fuppos'd to be that which
cor-
        rodes and eats holes through the leaves and covers; it appears to
the
        naked eye, afimall gliftering Pearl-colour'd Moth,which upon the
remov-
        ing of Books and Papers in the Summer, is often obferv'd very nimbly
to
        fcud, and pack away to fome lurking cranney, where it may the better
        proteCt it felf from any appearing dangers. Its head appears bigg
and
        blunt, and its body tapers from it towads the tail, fmaller and Imaller,be-
        ing fhap'd almoft like a Carret.
          This the AMicrofcopicalappearance will more plainly manifeft,which
ex-
       hibits,inthe third Figure of the 33.schemes, a conical body, divided
into
       fourteen feveral partitions,being the appearance of fo many feveral
fhels,
       or fields that cover the whole body, every of thefe fhells are again
co-
       ver'd or tiled over with a multitude of thin transparent fcales, which,
       from the multiplicity of their reflefting furfacesmake the whole Animal
       appear of a perfect Pearl-colour.
                                                                    Which


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