Chapter XXIII
On Figurative or Accessory Transmutation.

There remains the Figurative, or Accessory, Transposition, which gives us the last Universal Mode of this Book (see, above, Chapter One.)  This I will present also under the name of Transmutation, though I shall not object if you prefer to call it Transformation, or even Figurative Transposition.  For it is with a new figure, or form, as it were, that this Accessory Transposition presents itself to us.  The Mode is accomplished in three ways: (1) by Ulterior Interchange; (2) by the Simple Interchange of Letters; and (3) by the Apposition of a further device, in which case two devices are, as it were, combined.  Examples of Ulterior Interchange we have had in Primary Transposition, c. 5 of this Book (the line But this Mode may be varied etc.).  Also, in Secondary Transposition, with regard to which I have spoken in the preceding chapter (the sentence Since, however, one may easily suspect, etc), examples therefore are not lacking.

Similarly, the Simple Modes of Primary Transposition are further transmuted by the arbitrary apposition of other letters.  For example, let us take four consonants, as B,G, P, Q, and arrange them according to the second table in Chapter 14, as you see is done there.  If now the word Balneum is to be written, there will issue therefrom the following combination of letters Gbbbqggpbgqqbp.  Now in this combination vowels may be introduced, and another form, as it were, comes forth; thus, Gabebobu guagigopabigaquoquebapi.  Similarly, one may proceed by the reverse Mode, using vowels according to the arrangement of the fourth table in the same Chapter Fourteen.  In the same way this process may take place in Secondary Transposition, of which I have spoken in the preceding chapter.  Thus, if we take the simple example there given, which runs thus, Ad.ac.bc.b.ag.i.a., and signifies Malneum. We may, at our pleasure, introduce therein these letters. L. m.. n. o. p. q. r. s. t. u. x. y .z., producing a fictitious discourse of the following or some other sort: Aduzo vacon Obcor oprobus arogut pistron patiquul

Understanding of this matter will easily see, from the divisions of the fictitious discourse, what letters should be valid and how these valid letters should be combined.  Similarly, these words may be clothed in the composition of real steganographic discourse, either in such way that the word which begins with a letter expressing a number is each time Significant, or by the alternate method, either one word of several words being Idle, according to the demands of that numerical principle whereby it is requested that we place first either one Significant word or two or more such words.  We must have a care, therefore, that the numerical principle be observed with accuracy.  Finally, this Figurative Transposition passes, as it were, into a new form and aspect whenever it is first enlarged by the Apposition of a new device.  Thus, in imitation of that use which certain Modes of Oblique Transposition have in their mutual relations, - a use to which reference has been made in Chapter 14, in the sentence: Similarly, in the case of the last table etc, as also into a sentence above this, beginning: For the rest, this Mode, etc, - we must here, by the side of the ten numerical letters, A. b. c. d. e. f. g. h. i. k., of which I have spoken in the