Oil, Cajuput--U.S.P.

Stimulant, Diaph.o.r.etic.--~Dose:~ 5--20 min.

Oil, Castor--U.S.P.

~Dose:~ 1/2--1 fl. oz., with saccharin or in emuls.

Oil, Cod-Liver--U.S.P.

~Dose:~ 1--4 drams.--See also, Gaduol.

~Oil, Croton, Merck.--U.S.P.--Colorless.~

USES: _Intern._, obstinate constipation; amenorrhea, dropsy; _extern._, rheumatism, neuralgia, and indolent swellings; hypodermically to naevi.--~Dose:~ 1--2 [min.], in pills.--ANTIDOTES: Stomach siphon, oils, mucilage, opium, cocaine, etc.--CAUTION: Poison!

~Oil, Eucalyptus, Australian, Merck.~

USES: _Intern._, intermittent and remittent fever, bronchitis, cyst.i.tis, and dysentery, and by inhalation in asthma or catarrh; _extern._, skin diseases.--~Dose:~ 5--15 [min.]

Oil, Gaultheria--U.S.P.

OIL WINTERGREEN.--~Dose:~ 5--20 min.--_Preparation:_ Spt. (5 per cent.).

~Oil, Juniper Berries, Merck,~ (_Oil of Juniper, U.S.P._).

Diuretic.--~Dose:~ 5--15 [min.].--_Preparations:_ Spt. (5%); Comp. Spt.

(0.4%).

~Oil, Mustard, Natural, Merck,~ (_Volatile Oil of Mustard, U.S.P._)--Rectified.

~Dose:~ 1/8--1/4 [min.], with much water.--_Preparation:_ Comp. Lin.

(3%).

Oil, Olive--U.S.P. Emollient, Nutrient, Laxative.--~Dose:~ 1/4--1 oz.; in hepatic colic, 3--6 oz.

~Oil, Pinus Pumilio, Merck.~

OIL MOUNTAIN PINE.--Fragrant oil; terebinthinous taste.--SOL. in alcohol, ether, chloroform.--Antiseptic, Expectorant.--USES: _Inhalation_ in pectoral affections; _intern.,_ as stimulating expectorant; _extern.,_ lately employed in glandular enlargements, boils, and skin diseases.--~Dose:~ 5--10 [min.], in capsules.

~Oil, Pinus Sylvestris, Merck.~

OIL SCOTCH FIR; OIL PINE NEEDLES.--Antiseptic, Antirheumatic.--USES: By _inhalation_, chronic pulmonary diseases; _extern._, in chronic rheumatism.

Oil, Rosemary--U.S.P.

Stimulant, Diuretic, Carminative, Emmenagogue.--~Dose:~ 2--5 min.

Oil, Santal U.S.P.

OIL SANDAL WOOD.--Internal Antiseptic, Anticatarrhal.--~Dose:~ 5--20 min. in emuls. or capsules.

Oil, Tar--U.S.P.

~Dose:~ 2--5 min.--Used chiefly extern.

Oil, Thyme--U.S.P.

~Dose:~ 3--10 min.--Used chiefly extern.--See also, Thymol.

~Oil, Turpentine, Rectified, Merck.--U.S.P.~

For _internal_ use only the _rectified_ oil answers.--~Dose:~ 5--30 [min.]; for tapeworm, 1--2 drams.--_Preparation:_ Lin. (35%, with 65% resin cerate).

Ointment, Mercuric Nitrate--U.S.P.

CITRINE OINTMENT.--Stimulative and Alterative Dermic.--APPLIED in 10--50 per cent. dilution with fatty vehicle.

Ointment, Rose Water--U.S.P.

COLD CREAM.--18 per cent. borax.--Astringent Emollient.

~Oleate, Cocaine, Merck.~--5% and 10%.

Local Anesthetic.

~Oleate, Mercury, Merck.~--20% and 40%.

USES: _Extern._, skin diseases, pediculi. Also for endermic administration of mercury.

~Oleoresin, Capsic.u.m, Merck.--U.S.P.~

SOL. in alcohol, ether.--Rubefacient, Stimulant.--USES: _Intern._, flatulence, and to arouse appet.i.te; _extern._, diluted with soap liniment or olive oil, in lumbago, neuralgia, and rheumatic affections.--~Dose:~ 1/4--1 [min.], highly diluted, in beef tea or other hot liq.

~Oleoresin, Male Fern, Merck, (_Oleoresin of Aspidium, U.S.P._).~

"EXTRACT" MALE FERN.--Thick, brown liq.; bitter, unpleasant taste.

Efficacious and safe Anthelmintic.--~Dose:~ In _Taenia solium_ (the _usual_ kind of tapeworm), 2-1/2--3 drams, in _Taenia mediocanellata_ 3--4 drams; in capsules, followed if necessary in 1--2 hours by calomel and jalap.

MERCK'S Oleoresin of Male Fern _exceeds_ the requirements of the U.S.P., and conforms to the stricter demands of the Ph.G. III. MERCK'S preparation is made from rhizomes of a _pistachio-green_ color inside, and only the crop of each current year is used.

~Opium, Merck.--U.S.P.~

Not less than 9 per cent. morphine.

~Opium, Powdered, Merck.--U.S.P.~

13--15 per cent. morphine.--~Dose:~ 1/2--2 grn.--ANTIDOTES: Emetics, stomach-pump, warm coffee; atropine or strychnine hypodermically, pota.s.s. permanganate, exercise.--_Preparations:_ Deodorized (Denarcotized) Opium; Ext. (D., 1/4--1 grn.); Pills (1 grn.); Dover's Powder (Ipecac and Opium, ea. 10 per cent.); Tr. (1:10); Camph. Tr.

(4:1000); Troches Liquorice and Opium (one-twelfth grn. O.); Vinegar (1:10); Wine (1:10).