[17] _Transactions of the Odontological Society_, vol. xxvii., page 123. [18] Two ounces of poppy heads should be placed in one pint of boiling water, the water being boiled down to half a pint. [19] ℞ Ferri et quiniæ citratis gr. vi. Aquæ chloroformi Ʒij. Infusum quassiæ ad. ℥i. Mitte ℥viij. M. Two tablespoonfuls three times a day after meals. [20] The following will be found useful:-- ℞ Boro-glyceride (Barff) } Eau de Cologne } aa. Ʒiv. Tinct. krameriæ } Spirit vini. rect. ad. ℥iv. ♏ Fiat lotio. To be used with water as a mouth wash. Shake before using. [21] ℞ Zinci sulphatis gr. viij. Zinci chloridi gr. vi. Morphinæ acetatis gr. ij. Aquam ad. ℥viij. ♏ Fiat lotio. To be used with an equal quantity of water as a mouth-wash. [22] _The Journal of the British Dental Association_, vol. vii., page 32. [23] _British Journal Dental Science_, vol. iii., page 221. [24] “A System of Dental Surgery,” 3rd edition, page 626. End of Project Gutenberg's Extraction of the Teeth, by J. F. Colyer