R 12 Unciæ, 11.6496 inches. Pollex, or Thumb. R See “Uncia” [lineal measure]. Quadrans. R .53125 farthings. Copper. Quadrans. R [weight] 3 Unciæ, 2-3/4 ounces 97.21 grs. Quadrantal. R See “Amphora.” Quartarius. R 1/4 of a Sextarius, .2477 pint. Quinarius. R 1/2 of a Denarius. Scripulum, or Scruple. R 1/24 of an Uncia, 18.06 grains. Semisextarius. R 1/2 of a Sextarius. Sestertius. R 1/4 of a Denarius. Brass or Silver. Sestertium. R 1000 Sestertii, £7 16s. 3d. Sextarius. R 1/6 of a Congius, .9911 pint. Spithama, or Span. G 9.1008 inches. Stadium. G and R 1/8 of a Roman mile, 606 feet 9 in. Teruncius. R See “Quadrans” [weight & money]. Ulna, or Ell. R 6 feet, 81 inch. Uncia, or Inch. R 1/12 of a Pes, .9708 inch. Uncia, or Ounce. R 1/12 of a Libra. 433.666 grs. Urna. R 1/2 of an Amphora. Victoriatus. R See “Quinarius.” The Schœnus, an Egyptian and Persian lineal measure, varied considerably; being sometimes thirty, and sometimes forty Stadia. See B. v. c. 11, B. vi. c. 30, and B. xii. c. 30. The Attic Talent, as a weight, was equal to 56lb. 15-1/4oz. 100.32 grains. The Commercial Talent was 85lb. 2-1/2oz. 70.7 grs. The Silver Attic, or Great Talent, was in value £343 15s. or, according to Pollux, £406 5s. The Gold, or Sicilian Talent, was equal in weight to six Attic Drachmæ, or about 3/4 oz. and 71 grs. The Egyptian Talent, as a measure of weight, was equal to about twice the Attic Talent. NATURAL HISTORY OF PLINY. BOOK XI. THE VARIOUS KINDS OF INSECTS. CHAP. 1. (1.)—THE EXTREME SMALLNESS OF INSECTS.