798 COLOUR-TESTS FOR STRYCHNIA, ETC. 
column. So the word “ brown ” with the annex 3 in the 
same column opposite esculine and atropine indicates an 
intense brown colour; the words red 3 and orange 3 in the 
column headed ie nitric acid v indicate intense red and orange 
respectively. 
Table I .—Alkaloids , Sgc., giving no Colour with cold Sulphuric Acid. 
Alkaloids, &c. 
Sulphuric acid. 
Nitric 
acid. 
Sulphuric acid, followed 
by the solution of per¬ 
manganate of potash. 
~ , 
Heat. 
Cold. 
Warm. 
Hot. 
Cantharadine. 
0 
0 
0 
0 
Red brown . 
0 
Asparagine. 
0 
0 
0 
0 
Red brown . 
Carbon 3 
Caffeine and Theine 
0 
0 
0 
0 
Pink. 
0 
Cinchonine . 
0 
0 
0 
0 
Pink. 
Carbon 3 
Codia. 
0 
0 
0 
Yellow 
Emetine. 
0 
0 
0 
Yellow- 
brown 
Strychnia . 
0 
0 
Yellow 1 
Pink 1 
Blue, mulberry,orange 
Brucia . 
0 
0 
Yellow 2 
Red 3 
Red, brown, orange, 
yellow 
Morphia. 
0 
0 
Brown 
Orange 3 
Brown, then bleached 
Esculine..... 
0 
0 
Brown 3 
Yellow 
Atropine . 
0 
0 
Brown 3 
0 
Meconine . 
0 
Blue 
Aconitina . 
0 
Brown 
Picrotoxia . 
0 
Yellow 
Brown 
0 
Pink. 
Carbon 3 
Santonine . 
0 
Yellow 
Brown 
0 
Pink. 
Carbon 1 
Narcotine . 
0 
Yellow 
Claret 
Yellow 
Amygdaline . 
0 
Pink 
Brown 
0 
Naphthaline . 
0 
Pink 
Brown 
Yellow 
Table II.— Alkaloids , Sfc., giving Colour icith cold Sulphuric Acid. 
Alkaloids, &c. 
Sulphuric acid. 
Nitric acid. 
Sulphuric acid, 
followed by the 
solution of the 
permanganate 
of potash. 
Cold. 
Warm. 
Hot. 
Veratria . I 
r 
Orange 3 ... 
Scarlet 
Claret 
0 
Piperine . | 
L 
Orange 3 ... 
Red-brown 
Green 3 
Orange 3 
Delphinia ... 
r 
Pink 1 
Pink 2 
Brown 
0 
Yellow 1 
Salicine . j 
i 
Pink 1 
Pink 3 
Claret 
0 
Claret 
Digitaline ... 
r 
Red-brown 1 
Red-brown 2 
Red-brown 3 ... 
0 
Buff 
Elaterine ... 
i 
Red-brown 1 
Red-brown 2 
Red-brown 3 ... 
0 
Pink 3 
Papaverine... j 
r 
Purple 3 
Purple 2 ... 
Purple 1 
Yellow 
Green; slate 
Paramorphia 
i 
Purple 1 ... 
Purple 1 
Purple 3 
Yellow 
Green; brown 
Quina . 
r 
Yellow 
Yellow ... 
Yellow-brown 
Yellow 
Aloine . 
1 
Yellow ... 
Yellow 3 ... 
Green 
Orange 
Jalapine . 
Yellow 
Orange 3 ... 
Red-brown ... 
Yellow 
Narceine ... 
Yellow 
Red-brown 3 
Red-browm 3 ... 
Green-brown 3 
Buff 
Phloritzin ... 
Yellow 
Red-brown 3 
Red-brown 3 ... 
Bed-brown 3 
Pink* 
Solania . 
Yellow 3 ... 
Brown 2 ... 
Brown 3 
0 
Cuhebine .... 
Pink 3 
Yellow 
Quinoidin ... 
r 
Brown 
Brown 
Brown 
0 
Sanguinarine 
L 
Red-brown* 
Claret 
Claret 
Red-brown 2 
