Rheonine A, 210, 257, 280 



Rheonine AL, G or N, 210 



Rhodamine B, 35, 181, 256, 278 



Rhodamine 6G, 182, 256, 278 



Rhodamine 6GX and 6GDN extra, 182 



Rhodamine 0, 181 



Rhodamine S, 182 



Rhodamines, 180-183 



Rivanol, 207, 257, 280 



Roccellin, 99 



Romanovsky stain, 242 



Rosanilin, 147 



Rosanilin picrate, 248 



Rosanilins, 146-171 



Rosazine, 132 



Rose bengal, 35, 40, 185, 197, 257, 



279, 324 

 absorption curVe of, 194 

 Rose bengal AT, B, N, NT, or NTO, 



196 

 Rose bengal extra, SB Cone, N extra, 



DY, B or 2B, 197 

 Rose bengal G, 196, 256 

 Rose SJ, 196 

 Rosinduline GXF, 132 

 Rosolic acid, 35, 172, 256, 277 

 Rosolic acid dyes, 171-173 

 Rosophenine 10 B, 85 

 Rubidin, 99 

 Ruthenium red, 237 



SaflFron, 10, 211, 257, 280 

 Saff rosin, 191 

 Safranin(s)» 128-134 

 Safranin AG, T, MP, and G, 129 

 Safranin B extra, 128 

 Safranin blue R, 99 

 Safranin extra bluish, 132 

 Safranin 0, 12, 14, 34, 49, 83, 129, 

 144, 145, 168, 228, 257, 271, 309 



absorption curve of, 130 

 "Safranin pur", 132 

 Safranin Y or A, 129 

 Salacin black D, 99 

 Scarlet B or EC, 89 

 Scarlet B, fat soluble, 86 

 Scarlet, J, J J, F, 191 

 Scarlet R, 87 

 Scarlet red, 87 

 Scarlet RS salt, 234 

 "Scharlach K\ 87 

 Schiff's reagent, 32, 150 

 Schultz' Farbstofftabellen, 36 



numbers used in, 260-261 

 Sensi^ol red, 232 

 Silver gray, 134 

 Sky blue, 237, 259 

 Solid green J JO, 142 

 Solid green 0, 141 

 Solubilities of dyes, 37-40, 289-291 

 Soluble blue 3M or 2R, 168 

 Soluble indulin SB, 134 



Soluble yellow OL, 80 

 Sorbine red, 74, 252, 263 

 Spectrophotometer, diagram of, 56, 57 

 Spectrophotometric analysis of dyes, 



53-62 

 Spectrum, table of, 54 

 Spermatozoa, staining of, 143 

 Spirit blue, 166, 214, 255, 276 

 Spirit indulin, 134 

 Spirit nigrosin R, 134 

 Spirochaetes, staining of, 161, 167, 



173, 174, 197 

 Standardization of biological stains, 



18-22 

 Steel blue, 237 

 Steel gray, 134 

 Sudan it, 76, 252, 263 

 Sudan III, 34, 70, 86, 253, 265, 299 



absorption curve of, 87 

 Sudan IV, 34, 70, 87, 253, 265, 299 



absorption curve of, 87 

 Sudan black B, 98, 254, 267, 302 



absorption curve of, 87 

 Sudan broivn, 77 

 Sudan brown AN, 77 

 Sudan broicn 5B, 77 

 Sudan G, 86, 99 

 Sudan R, 78, 252, 264 

 "Sudan R III", 78 

 Sudan red, 133 

 Sudan red 4B, 77 

 Sulphonphthaleins, 197, 206 

 Sultan UB, 93 

 Swiss blue. 111 



Synonvmv and nomenclature of stains, 

 252-259 



Tables relating to stains, 251-291 

 Tartrazine, absorption curve of, 59 

 Testing biological stains, methods for, 



292-328 

 Tetrachrome blood stain, MacNeal's, 



245 

 Tetrazolium salt(s), 235-236 

 Tetrazonium salts, 233-235 

 Tetrazo salt of 0-anisidine, 234 

 Tetrazo salt of 4, 4-diaminodiphenyl- 



amine, 234 

 Theory of staining, 43-52 

 Thiazin eosinates, 242-248 

 Thiazine red R, 85, 253, 265 

 Thiazins, 103-117 

 Thiazol dyes, 230-232 

 Thiazol yellow, 231 

 Thioflavine S, 231, 257, 285 

 Thioflavme T, 231, 257, 285 

 Thioflavine TG, 231 

 Thionin, 14, 34, 61, 104, 258, 268, 302 



absorption curve of, 61, 105 

 Thionin blue, 106 

 Thymol blue, 200, 202 

 Titan yellow G, 35, 228, 231, 257, 285 



366 



