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 fies an opinion that he forbore to inquire, because he was conscious that such an investigation would have terminated in vindicating his adversaries from his aspersions, and have furnished evidence of their fidelity and accuracy.

What the letter which he wrote to Poussin contained, he has not informed us; but he has given us, as he says, Poussin’s answer, in which are some passages relating to this Treatise, of which we here give a translation: “As to what concerns the book of Leonard Vinci, it is true that I have designed the human figures which are in that which Mons. le Chevalier du Puis has; but all the others, whether geometrical or otherwise, are of one man, named Gli Alberti, the very same who has drawn the plants which are in the book of subterraneous Rome; and the awkward landscapes which are behind some of the little human figures of the copy which Mons. du Chambray has caused to be printed, have been added to it by one Errard, without my knowing any thing of it.

“All that is good in this book may be written on one sheet of paper, in a large character, and those who believe that I approve all that is in it, do not know me; I who profess never to give sanction to things of my profession which I know to be ill done and ill said.” Rh