PART II., QUESTION I.
Here follows the Way whereby Witches copulate with those Devils known as
As to the method in which witches copulate with Incubus devils, six points
are to be noted. First, as to the devil and the body which he assumes, of
what element it is formed. Second, as to the act, whether it is always
accompanied with the injection of semen received from some other man. Third,
as to the time and place, whether one time is more favourable than another
for this practice. Fourth, whether the act is visible to the women, and
whether only those who were begotten in this way are so visited by devils.
Fifth, whether it applies only to those who were offered to the devil at
birth by midwives. Sixth, whether the actual venereal pleasure is greater or
less in this act. And we will speak first of the matter and quality of the
body which the devil assumes.
It must be said that he assumes an aerial body, and that it is in some
respects terrestrial, in so far as it has an earthly property through
condensation; and this is explained as follows. The air cannot of itself
take definite shape, except the shape of some other body in which it is
included. And in that case it is not bound by its own limits, but by those
of something else; and one part of the air continues into the next part.
Therefore he cannot simply assume an aerial body as such.
Know, moreover, that the air is in every way a most changeable and fluid
matter: and a sign of this is the fact that when any have tried to cut or
pierce with a sword the body assumed by a devil, they have not been able to;
for the divided parts of the air at once join together again. From this it
follows that air is in itself a very competent matter, but because it cannot
take shape unless some other terrestrial matter is joined with it, therefore
it is necessary that the air which forms the devil's assumed body should be
in some way inspissated, and approach the property of the earth, while still
retaining its true property as air. And devils and disembodied spirits can
effect this condensation by means of gross vapours raised from the earth,
and by collecting them together into shapes in which they abide, not as
defilers of them, but only as their motive power which give to that body the
formal appearance of life, in very much the same way as the soul informs the
body to which it is joined. They are, moreover, in these assumed and shaped
bodies like a sailor in a ship which the wind moves.
So when it is asked of what sort is the body assumed by the devil, it is to
be said that with regard to its material, it is one thing to speak of the
beginning of its assumption, and another thing to speak of its end. For in
the beginning it is just air; but in the end it is inspisated air, partaking
of some of the properties of the earth. And all this the devils, with God's
permission, can do of their own nature; for the spiritual nature is superior
to the bodily. Therefore the bodily nature must obey the devils in respect
of local motion, though not in respect of the assumption of natural shapes,
either accidental or substantial, except in the case of some small creatures
(and then only with the help of some other agent, as has been hinted before).
But as to local motion, no shape is beyond their power; thus they can move
them as they wish, in such circumstances as they will.
From this there may arise an incidental question as to what should be thought
when a good or bad Angel performs some of the functions of life by means of
true natural bodies, and not in aerial bodies; as in the case of Balaam's
ass, through which the Angel spoke, and when the devils take possession of
bodies. It is to be said that those bodies are not called assumed, but
occupied. See S. Thomas, II. 8, Whether Angels assume bodies. But let us
keep strictly to our argument.
In what way is it to be understood that devils talk with witches, see them,
hear them, eat with them, and copulate with them? And this is the second
part of this first difficulty.
For the first, it is to be said that three things are required for true
conversation: namely, lungs to draw in the air; and this is not only for the
sake of producing sound, but also to cool the heart; and even mutes have
this necessary quality.
Secondly, it is necessary that some percussion be made of a body in the air,
as a greater or less sound is made when one beats wood in the airs, or rings
a bell. For when a substance that is susceptible to sound is struck by a
sound-producing instrument, it gives out a sound according to its size,
which is received in the air and multiplied to the ears of the hearer, to
whom, if he is far off, it seems to come through space.
Thirdly, a voice is required; and it may be said that what is called Sound
in inanimate bodies is called Voice in living bodies. And here the tongue
strikes the respirations of air against an instrument or living natural
organ provided by God. And this is not a bell, which is called a sound,
whereas this is a voice. And this third requisite may clearly be exemplified
by the second; and I have set this down that preachers may have a method of
teaching the people.
And fourthly, it is necessary that he who forms the voice should mean to
express by means of that voice some concept of the mind to someone else, and
that he should himself understand what he is saying; and so manage his voice
by successively striking his teeth with his tongue in his mouth, by opening
and shutting his lips, and by sending the air struck in his mouth into the
outer air, that in this way the sound is reproduced in order in the ears of
the hearer, who then understands his meaning.
To return to the point. Devils have no lungs or tongue, though they can show
the latter, as well as teeth and lips, artificially made according to the
condition of their body; therefore they cannot truly and properly speak. But
since they have understanding, and when they wish to express their meaning,
then, by some disturbance of the air included in their assumed body, not of
air breathed in and out as in the case of men, they produce, not voices, but
sounds which have some likeness to voices, and send them articulately through
the outside air to the ears of the hearer. And that the likeness of a voice
can be made without respiration of air is clear from the case of other
animals which do not breathe, but are said to made a sound, as do also
certain other instruments, as Aristotle says in the de Anima. For
certain fishes, when they are caught, suddenly utter a cry outside the water,
All this is applicable to what follows, so far as the point where we treat
of the generative function, but not as regards good Angels. If anyone wishes
to inquire further into the matter of devils speaking in possessed bodies,
he may refer to S. Thomas in the Second Book of Sentences, dist. 8,
art. 5. For in that case they use the bodily organs of the possessed body;
since they occupy those bodies in respect of the limits of their corporeal
quantity, but not in respect of the limits of their essence, either of the
body or of the soul. Observe a distinction between substance and quantity,
or accident. But this is impertinent.
For now we must say in what manner they see and hear. Now sight is of two
kinds, spiritual and corporeal, and the former infinitely excels the latter;
for it can penetrate, and is not hindered by distance, owing to the faculty
of light of which it makes use. Therefore it must be said that in no way
does an Angel, either good or bad, see with the eyes of its assumed body,
nor does it use any bodily property as it does in speaking, when it uses the
air and the vibration of the air to produce sound which becomes reproduced
in the ears of the hearer. Wherefore their eyes are painted eyes. And they
freely appear to men in these likenesses that they may manifest to them
their natural properties and converse with them spiritually by these means.
For with this purpose the holy Angels have often appeared to the Fathers at
the command of God and with His permission. And the bad angels manifest
themselves to wicked men in order that men, recognizing their qualities, may
associate themselves with them, here in sin, and elsewhere in punishment.
S. Dionysius, at the end of his Celestial Hierarchy, says: In all
parts of the human body the Angel teaches us to consider their properties:
concluding that since corporeal vision is an operation of the living body
through a bodily organ, which devils lack, therefore in their assumed bodies,
just as they have the likeness of limbs, so that have the likeness of their
And we can speak in the same way of their hearing, which is far finer than
that of the body; for it can know the concept of the mind and the conversation
of the soul more subtly than can a man by hearing the mental concept through
the medium of spoken words. See S. Thomas, the Second Book of Sentences,
dist. 8. For if the secret wishes of a man are read in his face, and
physicians can tell the thoughts of the heart from the heart-beats and the
state of the pulse, all the more can such things be known by devils.
And we may say as to eating, that in the complete act of eating there are
four processes. Mastication in the mouth, swallowing into the stomach,
digestion in the stomach, and fourthly, metabolism of the necessary nutriment
and ejection of what is superflous. All Angels can perform the first two
processes fo eating in their assumed bodies, but not the third and fourth;
but instead of digesting and ejecting they have another power by which the
food is suddenly dissolved in the surrounding matter. In Christ the process
of eating was in all respects complete, since He had the nutritive and
metabolistic powers; not, be it said, for the purpose of converting food
into His own body, for those power were, like His body, glorified; so that
the food was suddenly dissolved in His body, as when one throws water on
How in Modern Time Witches perform the Carnal Act with Incubus Devils,
and how they are Multiplied by this Means.
But no difficulty arises out of what has been said, with regard to our
principal subject, which is the carnal act which Incubi in an assumed body
perform with witches: unless perhaps anyone doubts whether modern witches
practise such abominable coitus; and whether witches had their origin in
In answering these two doubts we shall say, as to the former of them,
something of the activities of the witches who lived in olden times, about
1400 years before the Incarnation of Our Lord. It is, for example, unknown
whether they were addicted to these filthy practises as modern witches have
been since that time; for so far as we know history tells us nothing on this
subject. But no one who reads the histories can doubt that there have always
been witches, and that by their evil works much harm has been done to men,
animals, and the fruits of the earth, and that Incubus and Succubus devils
have always existed; for the traditions of the Canons and the holy Doctors
have left and handed down to posterity many things concerning them through
many hundreds of years. Yet there is this difference, that in times long
past the Incubus devils used to infest women against their wills, as is
often shown by Nider in his Formicarius, and by Thomas of Brabant in
his book on the Universal Good, or on Bees.
But the theory that modern witches are tainted with this sort of diabolic
filthiness is not substantiated only in our opinion, since the expert
testimony of the witches themselves has made all these things credible; and
that they do not now, as in times past, subject themselves unwillingly, but
willingly embrace this most foul and miserable servitude. For how many
women have be left to be punished by secular law in various dioceses,
especially in Constance and the town of Ratisbon, who have been for many
years addicted to these abominations, some from their twentieth and some
from their twelfth or thirteenth year, and always with a total or partial
abnegation of the Faith? All the inhabitants of those places are witnesses
of it. For without reckoning those who secretly repented, and those who
returned to the Faith, no less than forty-eight have been burned in five
years. And there was no question of credulity in accepting their stories
because they turned to free repentance; for they all agreed in this, namely,
that there were bound to indulge in these lewd practices in order that the
ranks of their perfidy might be increased. But we shall treat of these
individually in the Second Part of this work, where their particular deeds
are described; omitting those which came under the notice of our colleague
the Inquisitor of Como in the County of Burbia, who in the space of one
year, which was the year of grace 1485, caused forty-one witches to be
burned; who all publicly affirmed, as it is said, that they had practised
these abominations with devils. Therefore this matter is fully substantiated
by eye-witnesses, by hearsay, and the testimony of credible witnesses.
As for the second doubt, whether witches had their origin from these
abominations, we may say with S. Augustine that it is true that all the
superstitious arts had their origin in a pestilent association of men with
devils. For he says so in his work On the Christian Doctrine: All
this sort of practices, whether of trifling or of noxious superstition,
arose from some pestilent association of men with devils, as though some
pact of infidel and guileful friendship had been formed, and they are all
utterly to be repudiated. Notice here that it is manifest that, as there
are various kinds of superstition or magic arts, and various societies of
those who practise them; and as among the fourteen kinds of that art the
species of witches is the worst, since they have not a tacit but an overt
and expressed pact with the devil, and more than this, have to acknowledge
a form of devil-worship through abjuring the Faith; therefore it follows
that witches hold the worst kind of association with devils, with especial
reference to the behaviour of women, who always delight in vain things.
Page 1 of 2
Question I, Chapter IV continued . . .
This chapter was transcribed by Wicasta Lovelace.
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