it becomes thick and viscid, after which it is well washed with warm warm.

Oil, Palm. Syn. Palm butter; Oleum palmæ;, L. From the fruit of Elais Guineensis, and E. melanococca, the Guinea oil palms. Orange or red coloured; butyraceous or solid; smells of violets; unchanged by alkalies; bleached by sunlight, age, exposure, chlorine, chromic acid, and oil of vitriol; melts at 11712° Fahr. Sp. gr. ·968. Demulcent. Used to colour and scent ointments, pomades, &c.; but chiefly to make soap and candles. From Africa.

Oil, Pi′′ney. Syn. Piney tallow, P. dammar, P. resin. From Vateria Indica (Linn.) or pænoe tree. Resinous flavoured, fragrant, made into candles. Sp. gr. ·926.

Oil, Pop′py. Syn. Oleum papaveris, L.; Oliete, Huile blanche, Fr. From the seeds of Papaver somniferum (Linn.), or white poppy. Sweet; pale; dries and keeps well. Used for salads, paints, and soaps; also (extensively) to adulterate almond oil, for the inferior qualities of which it is frequently sold. It does not freeze until cooled to 0° Fahr. Sp. gr. ·9243 to ·9245. Prod. 48% to 54%.

Oil of Pumpkin. Syn. Oleum cucurbitæ. Expressed from the seeds of the pumpkin; a soothing application to piles.

Oil, Rape. Syn. Colza oil, Brown o.; Oleum rapæ, L. From the seed of Brassica napus (Linn.; cole or rape), and from Brassica campestris (Linn.; wild navew or rape). Glutinous; buttery at 25° Fahr. Dries slowly; makes soft soaps and good ointments, but bad plasters; smokes much in burning, unless well refined. Sp. gr. ·9135 to ·9136. Prod. 32%.

Oil, Refined or PALE RAPE (Oleum rapæ refinum, Ol. r. album) is prepared from crude rape oil, by agitating it with about 2% of oil of vitriol, previously diluted with about twice its weight of water, and, after 10 or 12 days’ repose, decanting the clear oil, and filtering it through Canton flannel or felt. The quality is improved by washing it with hot water or steam before filtration. Used for lamps, blacking, and machinery; also extensively employed to adulterate both almond and olive oil. It forms the common ‘SWEET OIL’ of the oilmen and druggists. Sp. gr. ·9136 to ·9140.

Oil, Seal. Syn. Oleum phocæ, L. From the hood seal, and harp seal, and other species of Phocidæ. Pale seal oil is that which drains from the blubber before putrefaction commences, and forms about 60% of the whole quantity of oil obtained. It is very clear, free from smell, and, when recently prepared, not unpleasant in its taste. Refined seal oil is the last, washed and filtered. Ranks close after sperm oil. Brown or DARK SEAL OIL is that which subsequently drains from the putrid mass. It is very strong-scented and nauseous, and smokes in burning. Both are used for lamps and dressing leather. A full-grown

seal yields 8 to 12 galls. of oil; a small one, 4 to 5 galls.

Oil of Ses′amum. Syn. Oil of Gingelly (above).