THE LOGOGRAPH, OR WRITING BY THE VOICE. 
283 
In these diagrams the part marked cl is the silent discharge, 
and its appearance in the diagram is under the control of the 
will ; for, by holding the breath immediately after pronouncing 
the word, this part of the diagram can be altered and the dis- ' 
charge of air postponed or let off gradually, as exhibited in 
fig. 2. 
If, instead of terminating with the 44 Explodents,” another 
syllable be added to each word, making them terminate with 
consonants of softer sound, the air which would have been 
silently discharged is used to form the syllable added, and the 
subsequent silent discharge is very much diminished (see fig. 3). 
There are other silent or, rather, insensible actions which 
occur within certain words, as is exhibited in the differences 
between the word 44 Excommunicate ” and the syllable 44 Ex ” 
and the word 44 Communicate ,” pronounced separately. 
Ex. Ex. 
Communicate. Communicate. 
Here it is seen that the part p, which is the secondary sound 
of the syllable 4,4 Ex” becomes compressed, its length being 
shortened and its height increased ; so that although nearly in- 
sensible as regards sound, it becomes developed into the form 
p\ and constitutes the most prominent feature of the diagram 
when the whole word is pronounced. 
Some words are shortened when a syllable is added. This 
effect is strongly exhibited in the word 44 Strengthen ” as com- 
pared with 44 Strength .” 44 Strength ” is, I believe, the only 
word of one syllable in the English language which contains 
seven consonants, all of which are pronounced. 
