(85) 
fire tears the Rock to get forth, and fo crackes and breaks it 
all about, that at one time a vaft deal of it will either be quite 
blown out, or fo crackt and broken, as will make it eafy to be 
remov'd: And according to the efFe<9: of oneluch Cartnd^e^ 
more may be afterwards made ufe of, as hath been laid, 
Ohfervables upon a Monftrous Head, 
Ihis was the Head of a Colt, reprefented in the annexed 
Figure ^. firft viewed by Mr. Boyle^ who went into the Stable 
where the €oh lay^ and got the Head haftily and rudely cut ofF^ 
-the Body thereof appearing to his Eye compleatly formed ^ 
without .-^ny Monflrofity to be taken notice of in it* Afterwards 
hecaufed it to be put into a Veffel, and covered with Spirit of 
JiFm<?, thereby chiefly intending, to give good example,together 
with a proof, that by the help of the faid (which he hath 
recommended for fuch Properties in one of his Ejfays of the 
Vfefulnefs of T^atural Phtlofophy^ the parts of Jnimais^^nd even 
iMonfiers , may in Summer it felf be preferved long enoughs to 
afford Jnatemifls the opportunities of examining them. 
The Head being opencdj and examined^ it was foondj 
Firjl, That it had no fign of any Nofe in the ufual place, nor 
haditany, in any other place oftheriead, unlefs the double 
Bagg CC, that grew out of the midft of the forehead, were 
feme rudiment of it. 
Nextj That the two Eyes were united into one Double Eye, 
which was placed juft in the middle of the Brow, the Nofe be- 
ing wanting, which fhould have feparated them^ whereby the 
two Eye-hoies in the Scull were united into one very large 
round hole, into the midft of which, from the Brain, entred 
one prety large OpticJ^ Nerve, at the end of which grew a great 
Double Eye'^l\i2iUs, that Membrane, called Sclerotts, which con- 
tained both^ was one and the fame^but feemed to have a Seam, 
bf 
