366 REPORT—1899. 
Natural Colouring Matters. 
Wool Book XVI. 
Mordant Colours. 1. Sapanwood (Cr). Wood of Cesalpinia sapan. 
i 2. Peachwood (Cr). Wood of Cesalpinia echinata. 
> 3. Logwood (Sn). Wood of Hematoxylon campechianum 
Criass ITI. Moprratrety Fasr Contours. (Wo0t.) 
The colours of this class show distinct fading at the end of the second 
period (April 20 to May 28, 1898), which becomes more pronounced at 
the end of the third period (May 28 to June 27, 1898). A pale tint 
remains at the end of the fourth period (June 27 to October 22, 1898), 
and at the end of a year’s exposure the colour has entirely faded, or, at 
most, mere traces of colour remain. 
Azo Colours. 
Wool Book XV. 
Acid Colours. 7. Azo Acid Violet 4R. Constitution not published.  , 
a 8. Azo Acid Violet R extra. Constitution not published. ° 
a5 10. Azo Acid Violet B extra. Constitution not published. 
pe 15. Fast Violet (blue shade). From p-toluidine-sulphonic acid, 
#-naphthylamine, and f-naphthol-sulphonic acid 8. §. and J. 
151 
” 16. Fast Violet (redshade). From sulphanilic acid, a-naphthylamine, 
and B-naphthol-sulphonic acid 8. 8. and J. 148. 
a 43. Victoria Violet 4BS. Sodium salt of g-amido-aniline-azo-1'8- 
dioxy-naphthalene-3'6 disulphonic acid. §8.and J. 38. 
As 44, Victoria Violet 5B. Constitution not published. 
Safranine Colours. 
Basic Colours. 28. Paraphenylene Violet. S. and J. 473. 
Induline Colours. 
Acid Colours. 14. Naphthyl Violet. Constitution not published. ; 
Oxazine Colours. 
Acid Colours. 45, Gallanilic Violet. Sodium bisulphite compound of gallocyanine- 
anhydride-anilide. 
Crass IV. Fast Contours. (Woot.) 
The colours of this class show comparatively little fading during 
the first, second, and third periods. At the end of the fourth period a 
pale shade remains, which, at the end of the year’s exposure, still leaves a 
pale tint. 
Pyronine Colours. 
Wool Book XY. . 
Acid Colours. Violamine G. Sodium salt of dimesidyl-m-amido-phenolphthalein- 
sulphonic acid. §S. and J. 350. 
4 Acid Violet 4R. Constitution not published. 
_ Violamine R. Sodium salt of diortho-tolyl-m-amido-phenolphthalein- 
sulphonic acid. §. and J. 349. 
* Violamine B. Sodium salt of diphenyl-m-amido-phenolphthalein- 
sulphonic acid. §. & J. 348. 
Mordant Colours. Gallein W (Al) (Sn) (Cu). Oxidation product of pyrogallol- 
phthalein. §, and J. 366. 
Azo Colours. 
Direct Cotton 9. Diamine Violet N. From benzidine, and 8-amido-naphthol- 
Colours. y-sulphonic acid. §.and J. 180. 
Mordant Colours. 8. Chrome Prune (Cr). Constitution not published. 
