(formed from ζυμων, fermentation, and μετρον, measure), an instrument proposed by Swammerdam, in his book De Respiratione, with which to measure the degree of fermentation occasioned by the mixture of different matters, and the degree of heat which those matters acquire in fermenting; the same instrument is employed to ascertain the heat or temperature of the blood of animals.

FINIS. DIRECTIONS FOR PLACING THE PLATES OF VOL. XX.

PART I.

Plate DXIII.—DXXIV. to face page 112 DXXXV.—DXXXVII. 120 DXXXVIII. 232 DXXXIX.—DXXXI. 272 DXXXII. 280 DXXXIII. & DXXXIV. 400

PART II.

DXXXV. 410 DXXXVI. 432 DXXXVII. & DXXXVIII. 488 DXXXIX. 496 DXL. 512 DXLI.—DXLIII. 542 DXLIV.—DLXX. 632 DLXXI. & DLXXII. 646 DLXXIII. & DLXXIV. 680 DLXXV. & DLXXVI. 686 DLXXVII. 700 DLXXVIII. 792 DLXXIX.—DLXXXI. 804