. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. CATECHU. 59 varieties are noticed: 1, East India or Amboyna; 2, African—sup- posed to be the product of the Pterocarpus erinacea^ of Senegal; 3, Jamaica or West India—supposed to be derived from the Coccoloba uvifera ; 4, Botany Bay,—the concrete juice of the Eucalyptus re- sinifera ; 5, Caraccas.—The one most used is the Amboyna or East India. It comes in small, irregular, angular fragments, of a dark reddish-brown
. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. CATECHU. 59 varieties are noticed: 1, East India or Amboyna; 2, African—sup- posed to be the product of the Pterocarpus erinacea^ of Senegal; 3, Jamaica or West India—supposed to be derived from the Coccoloba uvifera ; 4, Botany Bay,—the concrete juice of the Eucalyptus re- sinifera ; 5, Caraccas.—The one most used is the Amboyna or East India. It comes in small, irregular, angular fragments, of a dark reddish-brown colour ; shining fracture ; no odour ; but a very astrin- gent taste. Soluble in hot water and alcohol. Active principle, that variety of tannic acid which affords a greenish-black precipitate with the sequisalts of iron. Uses.—One of the most used, internally, of all the astringents ; employed frequently with chalk and laudanum in diarrhoea and dysentery, not attended with inflammation ; also in passive hemor- rhages, leucorrhoea, and diabetes. Dose of powder, 10 to 30 grs. ; of the infusion, (3ij to f3vj water,) fjss. ; of the tincture f 3ss. to f 3ij. Kino is used externally, as an injection in gonorrhoea, leu- corrhoea, and hemorrhages ; also for indolent ulcers. Catechu, U. S. Extract of the Acacia catechu, a thorny tree growing in Hindo- stan. Procured by making a decoction of the wood, and then evapo- rating to a proper consistence. For- ^^S- 13. merly called Terra Jajjonica, from its supposed earthy origin. There are several varieties of Catechu, one of which is derived from the Betel nut, and another, call- ed cutch, or Gam- bir, from the Nau- clea Ganihir of Sumatra. Frop. — Irregu- lar masses of va- rious sizes; colour, externally, rusty brown, lighter within; taste, bitter and astringent; active ingre- dient, the same variety of tannin as is found in kino,—which it re- sembles very much in all its properties. Uses.—Same as kino. Dose of powder, 10 to
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