CAN—CAN ‘87 | 
by adding water. By distillation, Canella yields a thick, 
heavy, ycllow, very pungent; grate odorous, essential 
oil; on this, and a little resinous matter, its virtues depend. 
For incompatible substances, see table at end of Vol, I. 
Mepicat Properties anp Uses. An aromatic tonic; use- 
fully combined with bitters, in dyspepsia, gout, and other 
diseases attended with general debility; it corrects the 
griping of aloes, and other resinous cathartics ; is said to 
prove useful in scurvy. . 
Dose, of the powdered bark, grs. x to 33s—of the tinc- 
ture, 3ss to 3j. 
Orric. Prev. Tinctura Gentiane ita. EB. . Vinum 
Aloes. Lond. Dub. Pulv. Aloes Dub, 
No. 132,—Canraraptn. The blistering proximate _ 
principle of No.133. 0 . 
No. 133.—Canruaris Vesicaroria. Blistering or 
Spanish flies. Cantharides. 
Orricinat. Cantharis. Lond. Cantharis Vesieatoria. Edin. 
Cantharis. Dub. : s 
Cabinet specimen, Jeff. Coll. No. 139. - 
Quatitizs. The blistering principle has been obtained in 
a separate state, in the form of small crystalline plates, of 
a micaceous lustre—~called Cantharadin by Mr. A. T. 
Thompson. When pure, is insoluble in water—rendered | 
soluble by the presence of a yellow matter, existing in a 
native state of combination with it; very soluble in oils. 
Rolrtect sayy, flies recently collected yield some uric 
MepicaL Propertizs awn Uses. Cantharides are power- 
fully diuretic and occasion stran r 
been used in dropsy, leet, -ucorrheea, incontinence of 
urine, arising from paralysis of the ncter vesicz ; ame. 
norrhea, particularly recommended by Dr. Joseph 
Internally, recommended by Dr. Ansel W. Tyes, in ty 
The free use of diluents necessary during their 
a pill, with cadet of beibate, or with opium. The t 
ture is preferable—dose, m,x to MLxx. TI ¢ external use 
well known. “ aes 
Orric. Pree. Tinctura Cantharidis. L. Emplastrum Can-— 
tharidis. L. Emplastrum Cantharidis vesicatoriz. EB. Ce- 
ratum L. Unguentum infusi Cantharidis vesicato- 
rig, E. Unguentum itharidis. D. Unguentum es: 
veri Cantharidis vesicatoriz. E. Also, the decoction of 
Canthatides in turpentine, found in the shops of this city. 
