T. G. Wormley on the Chemical Reactions of Strychnia. 219 
. Carbazotic Acid. 
This, and the three aiidem tests have been formerly recom- 
mended in the lectures of the - writer, the only account of them 
seen, is in the last edition of Taylor. on Poisons, in which the 
iodine test is suggested. 
An alcoholic solution of carbazotic acid will give with— 
roo) grain of strychnia, an imme eee amorphous yellow 
precipitate soon becoming twig-like t 
. rasa) in a few seconds a poi soon becoming as in 
é, s0z0, by rubbing a few seconds, a copious deposit of gran- 
- T3;da5) IN about a minute the same as No. 
5. z5y}55, in a few minutes small yams are ie obvious. 
. Bichromate of Potash 
ae Tis) an Spode brilliant yellow mass of dendroidal erys- 
8. 
2. z5'sa, in a few seconds same as No. 1. 
3. sa5a) crystals begin to form in a few seconds, in a few 
minutes agate are abundant. 
n a few minutes beautiful octahedra appear, resem- 
bling ‘ ay ‘of oxalate of lime. If the solution be rubbed the 
eposit becomes rather abundant. 
. TET by pte ina few pe erystals are obvious 
with ape: microscope, i n sev veral minutes they are readily seen 
the eye. 
The es cipitate produced by this reagent is not as aan 
rh In acetic se as that produced by the Procehenenty 
potas 
13. Iodine. 
most «Rg It was a Za - nk following ccna ire 
dissolving three grains 0: otassium in one fluid drachm 
tive imme: iately a copious brownish yellow amorphous 
precipitate soluble in at only soluble in ae 
excess of acetic acid. tte hea ally dissolves in a — 
few drops of ly replace 
a dirty white precipita Sg 
ol a, the iia ctl Scien é 
3. 3H bom gives Same resal' 
the prospitae d 
precipi 
: sie er and soon 
