69, 178

Delphic Sibyl, 174

Deluge: _see_ Flood

Demosthenes, 75, 298

Deposition: _see_ Pieta

Design: the power of, 295-298, 308-311, 322.

Desnoyers: orders the destruction of the Leda, 62, 204

Diocletian: the Baths of, a restoration, 251

Diognetus, 286

Diomede Leoni: letter to Leonardo, 257

Dionigi: Cardinal di, orders a Pieta, 25, 112

Diploma Gallery: Burlington House, the tondo, 121

Divina Commedia: the master's drawings for, 184

Dome of St. Peter's, 208, 233, 246

Domenico: _see_ Ghirlandaio

Domenico: San, Bologna, The Angel for the Shrine, 19, 104

Donatello:
praised by the master, 28,
who comes under the influence of his foreman, 99, 106;
St. George, and Judith, 117;
his influence, 118, 170, 178, 295

Donati: Federigo, physician, 258

Donato: _see_ Giannoti

Doni: Agnolo, the tondo painted for, 29, 122

Doria:
Andrea, project for his statue 190;
his portrait by Sebastiano, 191, 291, 313

Dosso, 290

Drawing:
Ghirlandaio's book, 8;
copies of old masters, 9;
for the tombs of the Medici, 193;
its power, 295-297;
in war, 308,
and in peace, 311, 322

Duccio: Agostino, and the block of marble, 27

Duke of Florence, 246, 248, 250, 259, 260, 262

Duoino of Florence:
the shadow of, 127, 208;
the Pieta, placed under, 236

Duerer: Albert, 29, 81, 281

Ecouen: the slaves at, 227

Enrico II., 3

Epiphany: a cartoon, 260

Ercole: Don, captain of Florence, 61

Esi, 291

Esther: Queen, 46

Euclid, 75

Eve, 43

Evening, 194, 203, 209, 214

Expulsion, 172, 175

Facade of San Lorenzo, 183, 185, 227, 228

Fall of Man: Sistine Chapel, 43, 164, 165, 170

Farnese Palace: the cornice, 233, 237

Farnese: the House of, the master's love for, 84

Father of the master: _see_ Lodovico

Fattore: Il, 256

Fattuci:
Ser Giovan Francesco, letters to, 133, 143, 191, 193, 195, 199, 242;
he rebukes the master for his modesty, 192

Faun:
a copy in marble, 10;
the Mask in the Bargello, 11, note;
a drawing in the Louvre, 98, note

Febbre: Madonna della, _see_ Madonna

Fernando di Gonzaga: Signer, 205

Femes: Cardinal, 270, 313

Ferrara: the master visits the fortifications, 60, 202

Ferrara:
Duke of, disposes of the Colossal Bronze, 141;
the master's visit to, 202, 290

Festa: Constanza, sets the master's madrigals to music, 208

Ficino: Masilio, 102

Fidelissimi: Gherardo, physician, 258

Fight for the Standard: Leonardo da Vinci's cartoon, 124, 127