[545] Op. vii. pp. 181-189.

[546] Vat. MS. fol. 554 ro.

[547] Vat. MS; fol. 555 vo.; and Gherardi’s Documents, Doc. xxvi.

[548] On all this see Galileo’s letter to Diodati of 7th Aug., 1638. (Op. vii. pp. 214-216.)

[549] Comp. Nelli, vol. ii. pp. 678, 679, and Venturi, vol. ii. p. 285.

[550] Vat. MS. fol. 553 ro.; and Op. x. 304, 305, where it is dated 23rd instead of 25th July.

[551] Vat. MS. fol. 556 vo.; and Gherardi’s Documents, Doc. xxvii.

[552] Op. vii. p. 215.

[553] Op. vii. pp. 216-218.

[554] Op. xv. p. 401; Nelli, vol. ii. p. 838.