1398 Journal of Applied Microscopy 



gentian violet, which upon boiling yields a solution which is lighter than the 

 water was at first (s. g. 99.928.) 



All the stains used in this work were of the first quality for histologic pur- 

 poses, not the ordinary commercial dyes. 



I desire to acknowledge my indebtedness to R. H. Hough, for his assistance 

 in this work. 



Anilin Blue Black 100.280 100.792 0.44 



" Green 100.530 100.740 1.71 



" Red 100.052 100.100 1.95 



" Violet 100.172 100.076 2.76 



" Black 100.478 100.264 0.54 



Benzoazurin 100.504 101.120 0.99 



Benzo-Purpurin 100.394 100.424 0.61 



Biebrich Scarlet 101.972 101.054 0.27 



Bismark Brown 100.440 100.752 0.55 



Blue Lumiere Ins. Ins 0.64 



Chrysoidin 100.543 100.608 2.13 



Congo Red 100.464 100.768 0.22 



Corralin 100.926 101.012 2.74 



Dahlia 100.294 100.180 2.12 



Delta Purpurin 100.674. , 100.528 0.64 



Eosin (Bluish) 102.496 101.872 2.43 



Erythrosin 100.800 101.732 1.99 



Fuchsin 100.018 100.072 1.54 



Fuchsin Acid 101.200 101.452 0.72 



Gentian Violet 100.068 99.928 3.65 



Gold Orange 100.366 100.528 0.02 



Indulin 100.606 101.024 0.79 



Magenta 100.072 100.072 2.98 



Malachite Green 100.232 100.372 3.56 



Metanyl Yellow 100.420 100.580 1.12 



Methyl Blue 100.446 100.672 0.28 



Methyl Green 100.744 101.425 2.69 



Methyl Violet 100.072 100.260 2.29 



*Methylene Blue 100.060 100.580 0.28 



Orange B. Naphthol 100.210 100.836 0.28 



Orange G 100.944 101.172 trace 



Orange II 100.292 100.520 0.56 



Orseille G 100.456 100.812 0.40 



Rocellin 100.372 100.312 0.33 



Rosanilin Hydrochlorate 100.048 100.080 1.79 



Rosein 100.053 100.076 1.48 



Rose Bengal 101.416 101.856 2.12 



Rubin G 100.046 100.072 2.53 



Rubin S 102.464 102.364 0.15 



Saffranin 101.526 100.596 2.36 



Solferino 100.014 100.052 2.543 



Solid Green 100.564 100.844 3.00 



Tropeolin 000 No. 2 100.448 100.660 0.58 



Vesuvin 100.412 100.944 0.81 



Victoria Blue 100.102 100.160 1.77 



Violet B 100.286 100.440 3.84 



Vanderbilt University. LOUIS LerOY. 



*The sample of Methylene Blue here tested was but very slightly soluble, and stained very poorly. 



