text:  With regard to the supposition that in order to preserve Berkeley's consistency it was necessary for him to teach that our visual sensations (colours namely ) being internal feelings could involve the perception neither of plane nor of solid extension that is to say of no extension at all according to Mr Bailey's ideas we shall merely remark that there appears to us to be no inconsistency in holding as Berkeley does that these colours though originally internal to the sight are nevertheless perceived as extended among themselves