CRO—CRO a 
name of Oil of Croton. In India, the torrified seeds are 
used as a drastic hydragogue purgative. The kernels 
contain, according to the analysis of W. T. Hiff, (Lond. 
Med. Repos. Jan. 1822,) in 100 parts of the kernels, 27 
acrid principle, 33 fixed oil, 40 farinaceous matter. The 
oil itself is composed of 45 acrid principle, 45 of fixed oil. 
Dr. Nimmo ascertained that alcohol, in solution, is the 
best vehicle for administering the active principle of Croton 
oil—he gives this formula:— Pee 
R Alcohol. Crot. 3ss 
Syrup. simp. i" 
Mue. Gum. Arab. 83 Zij (- 
Aque distillate, an « M. 
J 
Aceordin, ig to ma Choon Pte = ee 
ood, 
ment, Madras, Croton 77 
' in the hands of Mr, Underw at 
in fifteen cases of obstructed catame 
duced. : ; ; 
Croton Oil, called in India Nervalum unnay, was introduced 
into the shops of this city, a few years ago; and, among 
others, I have prescribed it. It is a drastic hypercathartic.. 
¥n some Cases, according to authors, merely touching the 
tongue with a drop of it, has praduced many loose watery 
stools; in others, doses of one or two minims have excited | 
the most terrible hypercatharsis. It is said, however, that 
10m, have been given, in Europe, to some persons, with- 
out any very sensible effect. Mr. Ingledon gave the — 
newly-expressed oil, in doses of 5m, in 1815— tt soon 
laid it aside, as too violent in its operation, In India, it is 
sapericd as a valuable external application, in rheumatio 
"The regula dose is one drop—rarely two—given in form : 
- Of pill, made up with crumb of bread. It may be given ; 
mixed with mucilage and sugar. When “es 
ing effects, the native ner 
ly, butter with orange or rice water, 
and apply externally cold affusions of 
_ No. 201.—Croron Lintare. Native of Jamaica. ae 
The powder of the dry leaves used in colic, according to = 
oP  gaaan | 
No. 202.—Croron Humize., Native of Jamaica. 
Hot, pungent ; used in baths and fomentations, for nervous 
__ weakness, according to Brown. Z 
There are fourteen species of Croton, native of Jamaica, of _ 
which the three enumerated are all, according to Lunan, 
which are medicinai, Ze : 
L2 
