qr 
ON THE ACTION OF LIGHT UPON DYED COLOURS. 36 
Basic Colours. 8. Methylene Violet 2RA. Dimethyl-safranine chloride. S. and 
J. 462. 
9. Rosolane. Phenyl-tolu-safranine chloride. 8. and J. 467. 
20. Fast Neutral Violet B. ms-Ethyl-dimethyl-ethyl-safranine 
chloride, S. and J. 460. 
” 
Eurhodine Colours. 
Basic Colours. 24, Neutral Violet extra. as-Dimethyl-diamido-phenazine hydro» 
chloride. §. and J, 448. 
Oxazine Colowrs. 
Basic Colours, 21. Cresyl Fast Violet 2B. Constitution not published. 
2, Rhoduline Violet. Constitution not published, 
Crass II. Fuairive Contours. (Woot.) 
The colours of this class show very marked fading at the end of the 
second ‘fading period’ (April 20 to May 28, 1898), and after a year’s 
exposure they have entirely faded, or only a tint remains. 
Triphenylmethane Colours. 
Wool Book XV. 
Acid Colours, 20. Acid Violet 6B. Sodium salt of dimethyl-dibenzyl-diethyl-tri- 
amido-triphenyl-carbinol-disulphonic acid. §. and J. 316. 
9 21. Acid Violet 7B. Sodium salt of diethyl-dimethyl-diphenyl-triamido- 
triphenyl-carbinol-disulphonic acid. 
x 22. Acid Violet 5B. Constitution not published. 
+ 25. Acid Violet 8B extra. Constitution not published. 
+ 26. Acid Violet 6BN. Sodium salt of tetramethyl-p-tolyl-triamido- 
ethoxy-triphenyl-carbinol sulphonic acid. §, and J. 319. 
A 28. Fast Acid Violet 10B. S. and J. 314. 
Pe 32. Acid Violet 2B extra. Constitution not published. 
i 37. Acid Violet 4BG extra. Constitution not published, 
FA 40. Guinea Violet 4B. Constitution not published. 
42. Acid Violet 5BF. Constitution not published. 
Wool Book XVI. 
Mordant Colours. 9. Chrome Violet (Cr). Ammonium salt of aurine-tricarboxylic 
acid. 
Azo Colowrs. 
Wool Book XV, 
Direct Cotton 1. Congo Violet. From benzidine, and £-naphthol-sulphonic acid B. 
Colours, S. and J. 186. 
‘4 2. Heliotrope B. From dianisidine, and ethyl-8-naphthylamine- 
sulphonic acid F. 8. and J. 232. 
3 3. Heliotrope 2B. From benzidine, 8-naphthol-sulphonic acid B, 
and a-naphthol-disulphonic acid Sch. §. and J. 185. 
. Benzo Violet R. Constitution not published. 
. Azo Corinth. From tolidine, amido-phenol-sulphonie acid, resor- 
cinol, and naphthionic acid. §. and J. 271. 
. Congo Corinth G. From benzidine, naphthionic acid, and 
a-naphthol-sulphonic acid NW. S.andJ. 183. ~ 
. Hessian Violet. From diamido-stilbene-disulphonic acid, a-naph- 
thylamine, and f-naphthol. 8. and J. 249. 
” 8. Oxamine Violet. From benzidine, and 8-amido-a-naphthol-s-sul- 
phonic acid. 8. and J. 188. 
1s 10. Congo Corintn B. From tolidine, naphthionic acid, and a-naphtiol- 
sulphonic acid NW. 8. and J. 214. 
IY 2 oF 
“4 11. Azo Violet. From dianisidine, naphthionic acid, and a-naphthol- 
sulphonic acid NW. 8. and J. 233. 
° 12. Azo Mauve. From tolidine, amido-naphthol-disulphonic acid, and 
a-naphthylamine. §. and J. 212. 
