_ in Smyrna, and probably other opiums. The principle is¢ 
= is a ‘mixture of, several distinct principles. Pedler and Ward 
88. : PAPAVERACEHZ:. 
Morphine, ©!’ H'® NO*; Pseudomorphine, C!? H!® NO# 
Codeine, C'® H*' NO*; Thebaine, C19 H2! NOS; Protopin 
ee NOS; lantibniady 022:H4s: NO4; Godamina, C?H 
NO"; . Papaverine, C*° H?! NO*; Rhceadine, C2} H 
Eisttine, OF HINO? 5 Mecotidme: O% Hi? NO? ; 
pine, C2! H®> NO); Saosiasicaine, oe Ha? NO*; 
faith? INQ? ; or aldecailera C*s H* NO*; Narceine, 
He NO®,; Gnoscopine, 05+ H56 N2 Ou, A bitter princi 
Meconin, Gio H'° 0+, is also present in opium, accompanie 
‘by Meconie acid, C? H* O?, 
Porphyroxin, first described by Merck; occurs in Hast Ind 
4 
interest, because it has the property of being reddened 
hydrochloric acid, a reaction which: has been utilized for many 
years in testing for opium in medico-legal analysis in th 
Bengal Clearient Examiner’s Department. In testing vis 
evaporated in a porcelain capsule, and the dry residue moiste 
with dilute hydrochloric acid ; on the application of a ge 
_ heat a red coloration is developed should opium be present: 
good plan of applying the test is to place on the bottom of tl 
capsule containing the dry ether extract, a very small wate 
glass moistened with a few drops of concentrated hydrochlor 
acid, the capsule is then covered with a glass plate; after sta 
_ ing some time a red or yiolet reddish coloration appears on th 
-sides of the capsule should porphyroxin be present. The app! 
’ cation of heat is unnecessary when the testis applied in 
‘manner,* The chemical composition of porphyroxin app! 
to. bea matter of some uncertainty ; according to O. Hesse 
lated in 1886 from. Bengal opium a neutral principle i ins¢ 
~ luble in water, but dissolving in ether, chloroform, benzol 
rg yielding solutions which exhibited a magnifi ents 
a fluorescence. The morphinei in opin is combined with me 
Ht ie héeessary to fiote that this test apace as’ 
tite phesench ofapimms: <2 <TH gue cxlco sig 
