society of New college, who also erected an honorary monument to his memory in the cloisters of their college. We have dwelt thus long on Lydiat's name, because, when this poem was published, it was a subject of inquiry, who Lydiat was, though some of his contemporaries, both in England and on the continent, ranked him with lord Bacon, in mathematical and physical knowledge. For a more detailed account, see Chalmers' Biographical Dictionary, vol. xxi. whence the above facts have been extracted, and Gentleman's Magazine, vol. lxviii. GALILEO, and his history, are too well known to require a note in this place. The VANE, who told, "what ills from beauty spring," was not Lady Vane, the subject of Smollett's memoirs, in Peregrine Pickle, but, according to Mr. Malone, she was Anne Vane, mistress to Frederick prince of Wales, and died in 1736, not long before Johnson settled in London. Some account of her was published, under the title of the Secret History of Vanella, 8vo. 1732, and in other similar works, referred to in Boswell, i. 173. In Mr. Boswell's Tour to the Hebrides, we find lord Hailes objecting to the instances of unfortunate beauties selected by Johnson, and suggesting, in place of Vane and Sedley, the names of Shore and Valière. CATHERINE SEDLEY was daughter of sir Charles Sedley, mistress of king James the second, who created her countess of Dorchester. She was a woman of a sprightly and agreeable wit, which could charm without the aid of beauty, and longer maintain its power. She had been the king's mistress before he ascended the throne, and soon after (January 2, 1685-6) was created countess of Dorchester. Sir C. Sedley, her father, looked on this title, as a splendid indignity, purchased at the expense of his daughter's honour; and when he was very active against the king, about the time of the revolution, he said, that, in gratitude, he should do his utmost to make his majesty's daughter a queen, as the king had made his own a countess. The king continued to visit her, which gave great uneasiness to the queen, who employed her friends, particularly the priests, to persuade him to break off the correspondence. They remonstrated with him on the guilt of the commerce, and the reproach it would bring on the catholic religion; she, on the contrary, employed the whole force of her ridicule against the priests and their counsels. They, at length, prevailed, and he is said to have sent her word to retire to France, or that her pension of 4,000_l_. a year should be withdrawn. She then, probably, repented of having been the royal mistress, and "cursed the form that pleased the king." See Manning and Bray's Surrey, ii. 788. where the countess's issue is also given. See, also, Christian's note on Blackstone's Com. iv. p. 65. It is remarkable, that when Johnson was asked, at a late period of his life, to whom he had alluded, under the name of Sedley, he said, that he had quite forgotten. See note on Idler, No. 36.--ED. LONDON; A POEM: