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pente, to the eighth diapasôn, to the eleventh diapasôn 
with diatessarôn, to the twelfth diapasôn with diapente. 
to the fifteenth disdiapasôn. For between two intervals. 
either in a melody sung by a voice, or played on a 
stringed instrument, neither with the third, sixth nor 
seventh can there be consonances, but only, as above 
shewn, with the diatessarôn and diapente up to the dis¬ 
diapason do natural consonances arise, and those are pro¬ 
duced by an union of those sounds which the Greeks call 
OSöyyot (phthongi).