176 Certain Neio Derivatives in the Aromatic Series. 



Toluylene Orange R. Tolidine and toluylenediamiuesulphonic 

 acid. 



Bosazurine G. Tolidine and methylbetanaphtylaminesulphonic 

 acid. 



Benzoazurine G. Dianisidine and alphanaplitolsulphonic acid, 

 Neville and Winther's, 1 : 4. 



Benzopurj) urine \0B. Dianisidine and uaphthionie acid. 



OXYKETONE DyES. 



Alizarine Black S. From dinitronaphtaline. 



Alizarine No. 1. From anthrachinonemonosulphonic acid. 



Alizarine SDG. From anthrachinonedisiilphonic acid. 



Alizarine EX. From beta-antbrachinonedisulphonic acid. 



Alizarine Orange. HNO3 on alizarine. 



Alizarine Powder 5WS. H,,SO^ on alizarine. 



Alizarine Blue. Glvcerine and H.,SO, on betanitroalizarine. 



o 2 4 



Di-Phenyl-Methane Dyes. 



Anramine 0. Tetramethjddiamidobenzophenone and AmCl and 



ZnCl,. 



Tri-Phexyl-Methane Dyes. 



Malachite Green. Benzaldebyde and dimethylaniline. 



Brilliant Green. Benzaldebyde and diethylaniline. 



Magenta. Aniline and toluidine. 



Methyl Violet. Dimetbylaniline. 



Eofmann^s Violet. Action of methyl halogens on Magenta. 



Methyl or Cotton Blues. Sulfuriring Triphenyl-p-Rosaniline. 



Alkali or Nicholson'' s Blue. Sulfuriring Aniline Blue. 



Fluoresceine, or Uranine. Phthalic acid anhydride and resorcin 



Eosines. Bromiring Fluoresceine. 



Erythrosine. lodiring Fluoresceine. 



Phloxine. Bromine on tetra-cblor-fluoresceine. 



Rose Bengale. Iodine on tetra-chlor-fluoresceine. 



Galleine. Phthalic acid anhydride and gallic acid. 



Goerulein. Galleine and H.^SO^. 



