[57]. “Murænæ optimæ flutæ sunt in Sicilia.” Varr. R. R. ii. 6. 2.
[58]. The reader is requested to turn to page [174]; for all that is there said respecting the principle of reflected motion will apply to the theory of the echo.
[59]. Ovid’s Metamorph. 3. 358.
[60].
“For though the wise nor shoes nor slippers made,
He’s yet a skilful shoemaker by trade.”
Hor. Sat. 3 Lib. 1.
CHAPTER XVII.
An interesting communication, from which the reader may learn that the most important events are not those which absorb the greatest portion of time in their recital.--Major Snapwell communicates to Mr. Seymour and the Vicar, his determination to celebrate the marriage of his nephew by a fête at Osterly Park.--An antiquarian discussion of grave importance.--An interview with Ned Hopkins, during which the wit displayed both cunning and humour.--The Thaumatrope.--Its improved construction.--Philosophy of its action.--Another optical toy.--The nature of Optical Spectra illustrated and explained.--The Spectral Cross of Constantine.