[Footnote: In the original, lines 2-5, 12-14, 33-35, are written on the margin. This passage has been recently published by G. Govi in Vol. V, Ser. 3a, of _Transunti, Reale Accademia dei Linea, sed. del 5 Giugno, 1881,_ with the following introductory note: _"Desidero intanto che siano stampati questi pochi frammenti perche so che sono stati trascritti ultimamente, e verranno messi in luce tra poco fuori d'Italia. Li ripubblichi pure chi vuole, ma si sappia almeno che anche tra noi si conoscevano, e s'eran raccolti da anni per comporne, quando che fosse, una edizione ordinata degli scritti di Leonardo."_ The learned editor has left out line 22 and has written 3 _pie_ for 8 _piedi_ in line 25. There are other deviations of less importance from the original.] A courser, as large as life, with the rider requires for the cost of the metal, duc. 500. And for cost of the iron work which is inside the model, and charcoal, and wood, and the pit to cast it in, and for binding the mould, and including the furnace where it is to be cast ... duc. 200. To make the model in clay and then in wax......... duc. 432. To the labourers for polishing it when it is cast. ....... duc. 450. in all. . duc. 1582. [12] Cost of the marble of the monument [14]. Cost of the marble according to the drawing. The piece of marble under the horse which is 4 braccia long, 2 braccia and 2 inches wide and 9 inches thick 58 hundredweight, at 4 Lire and 10 Soldi per hundredweight.. duc. 58. And for 13 braccia and 6 inches of cornice, 7 in. wide and 4 in. thick, 24 hundredweight....... duc. 24. And for the frieze and architrave, which is 4 br. and 6 in. long, 2 br. wide and 6 in. thick, 29 hundredweight., duc. 20. And for the capitals made of metal, which are 8, 5 inches in. square and 2 in. thick, at the price of 15 ducats each, will come to...... duc. 122. And for 8 columns of 2 br. 7 in., 4 1/2 in. thick, 20 hundredweight duc. 20. And for 8 bases which are 5 1/2 in. square and 2 in. high 5 hund'.. duc. 5. And for the slab of the tombstone 4 br. io in. long, 2 br. 4 1/2 in. wide 36 hundredweight....... duc. 36. And for 8 pedestal feet each 8 br. long and 6 1/2 in. wide and 6 1/2 in. thick, 20 hundredweight come to... duc. 20. And for the cornice below which is 4 br. and 10 in. long, and 2 br. and 5 in. wide, and 4 in. thick, 32 hund'.. duc. 32. And for the stone of which the figure of the deceased is to be made which is 3 br. and 8 in. long, and 1 br. and 6 in. wide, and 9 in. thick, 30 hund'.. duc. 30. And for the stone on which the figure lies which is 3 br. and 4 in. long and 1 br. and 2 in., wide and 4 1/2 in. thick duc. 16. And for the squares of marble placed between the pedestals which are 8 and are 9 br. long and 9 in. wide, and 3 in. thick, 8 hundredweight . . . duc. 8. in all. . duc. 389. [33]Cost of the work in marble[35]. Round the base on which the horse stands there are 8 figures at 25 ducats each ............ duc. 200.