Ndilo Seeds

Calophyllum inophyllum. India. N.O. Guttifera.

Oil (of which the seeds contain 50 per cent.) for itch, and also used for burning. The leaves for ophthalmia.

Nicotine

From Nicotiana Tabacum. N. 0. Solamacea Europe.

An alkaloid; a white volatile fluid, with odour of tobacco; soluble in water and spirit.

For tetanus: dose, 1/4 to 1/2 minim.

Nitro-Glycerine

Glonoin. C3 H5(N 02)3 03. Glycerine is C3 H5 H3 03 or C3 H5 O3.

Drop doses of a 1 % solution, three times a day in angina pectoris. It is a stimulant, like alcohol. Tablets containing 1/100 grain of nitroglycerine are also employed.

Liquor Trinitrince. Solution of Trinitrin.

Synomyms. - Liquor Nitroglycerin!; Solution of Nitroglycerine; Liquor Glonoini; Solution of Glonoine.

Take of

Pure Nitroglycerine .... ...... ...... ..... 1 part by weight.

Rectified Spirit, sufficient to produce ... 100 fluid parts.

Dissolve. Specific gravity, 0.814.

Dose: 1/2 to 2 minims.

- 1890 add. to P.P.

Oleates Of The Metals And Alkaloids

Epidermic medication is by absorption through the skin, and the true chemical compounds of oleic acid, (C18 H34 02, a yellowish oily fluid discovered by Cheyreul in 1811), and the metals and alkaloids have proved so valuable that their use is increasing. Professor Attfield first wrote on the oleates in 1862, and Professor John Marshall, in 187?, introduced the fluid oleates in medicine, and Dr. John V. Shoemaker, of Pennsylvania, working with Dr. L. Wolff, of Philadelphia, in 1882, the precipitated oleates.

Orexin

Phenyldihydroquinazolin. H12 C14 N2.

Orthin

O-hydrazine - p.-oxybenzoic acid.

A derivative of phenyl-hydrazin.

Its hydrochlorate is more stable. Such a very powerful antipyretic that its use is too dangerous.

Ouabain. C30 H46 O12

From the Ouabaio, related to Carissa sehimperi. East Africa.

A glucoside, from an aquous extract of the roots, used as an arrow poison by the Somalis. In white crystals, slightly bitter, soluble in hot water.

"It acts on respiratory centres, as in asthma and whooping cough, causing perspiration." - Brit. Med. Journ., 26.4.90.

Dose: 1/1000 grains every three hours. Having dissolved a grain in 1,000 minims of distilled water, use one minim in a little water.