He assumes that the bulk of the MSS.

have been conformed to the generally received reading of Isaiah xxix.13.But it has been shewn that, on the contrary, it is the two oldest MSS.

which have experienced assimilation.
Their prototypes were depraved in this way at an exceedingly remote period.
To state this matter somewhat differently .-- In all the extant uncials but five, and in almost every known cursive copy of the Gospels, the words [Greek: to stomati auton, kai] are found to belong to St.Matt.
xv.8.How is the presence of those words to be accounted for?
The reply is obvious:--By the fact that they must have existed in the original autograph of the Evangelist.

Such however is not the reply of Griesbach and his followers.

They insist that beyond all doubt those words must have been imported into the Gospel from Isaiah xxix.