All this Domenico expounded frequently to Filarete. But Filarete's classic taste did not approve of Domenico's methods, which savoured of vulgar witchcraft; perhaps also the learned man, who did not want the secret of antique proportion, recoiled from a degree of profanity and of danger, both to body and soul, which his companion willingly incurred in such a quest as his. So Filarete demurred for a time, until at length his feebler nature took fire at Domenico's determination, and the guilty pair fixed upon the day and place for this unspeakable sacrilege. The Church of SS. Jervase and Protasius has undergone no change since the feast of Corpus Christi of the year 1488. The damp that lies in the atrium outside, making the grass and poppies sprout round the Byzantine pillar which carries a cross over a pine-cone, has invaded the flat-roofed nave and the wide aisles, separated from it by a single colonnade. A greenish mildew marks the fissures in the walls, rent here and there by landslips and earthquakes. The cipolline columns carrying the round arches on their square capitals are lustreless, and their green-veined marble looks like long-buried wood. The mosaic pavement stretches its discs and volutes of porphyry and serpentine or yellowed Parian marble, a tarnished and uneven carpet, to the greenish-white marble steps of the chancel. The mosaics have long fallen out of the circle of the apse; and the frescoes, painted by some obscure follower of Giotto, have left only a green vague stain over the arches of the aisle. Pictures or statues there are none, and no conspicuous sepulchre. Only, over the low entrance, a colossal wooden crucifix of the thirteenth century hangs at an angle from the wall, a painted Christ, stretching his writhing livid limbs in agony opposite the high altar. It was in this stately and desolate church, under the misty light that pours in through the wide windows of grey coarse glass, and on the marble altar, facing that effigy of the dying Saviour, that, in derision as it were of the miracle which the church commemorates on that feast-day, Domenico and Filarete were about to offer up to the demons Apollo, Bacchus, and Jove the freshly consecrated wafer, the very body and blood of Christ.