STAINING, PRACTICAL AND THEORETICAL 



Turquoise blue, pH, solubilities, mol. 



wt., etc., 19, 572 

 Tween method (Gomori) for lipases, 



455 

 Twort's stain, 31 

 Twort's stain, Ollett's modification, 



322 

 Typhus fever rickettsiae, 299 

 Tyrosin, 308, 310-11 

 Tyrosin, solubilities of, 311 

 Tyrosin, recation with chromic acid, 



193 



Umbilical cord polysaccharide, 352 



Ungewitter's urea silver for nerve 

 fibres & nerve endings, 456 



Unicellular organisms, fixation, 471 



Universal indicator pH i-io, colour 

 changes, 544 



Unna - Pappenheim carbol methyl 

 green - pyronin, 560 



Unna's aniline blue - orcein, 347 



Unna's polychrome methylene blue 

 recipe, 560 



Unna's polychrome methylene blue 

 for mast cells, 306 



Unna's polychrome methylene blue 

 for mast & plasma cells, 307 



Unna's Rongaliteweiss, 305 



Unna's water blue - orcein for col- 

 lagen fibres, 397 



Uranin, 23, 102, 104, 571 



Urea - hydroquinone, 457 



Urea-silver for nerve fibres & nerve 

 endings, 456 



Urinary casts, 377 



Urinary passage, epithelial cells, 378 



Urine, mahgnant cells in, 94 



Urodele amphibians, 126 



Uterus, 276 



Uvak aqueous mountant for fluore- 

 scence microscopy, 98, 103-4, 106, 

 520 



Vaginal aspirates, 94 

 Vaginal epithelium, 256, 343 

 Vaginal smears, 93, 196, 225, 308, 384, 



402 

 Van Gieson stain, 241, 458 

 Van Gieson, stain substitute, 241 

 Van Gieson - haematoxylin for col- 

 lagen & connective tissue, 243, 374 



Van Gieson - Nile blue (Murray- 

 Drew) for bacteria & actinomyces 

 in sections, 325 



Van Gieson stain - orcein for elastic & 

 collagen fibres, 334 



Vascular reticulum, 133 



Venetian turpentine mountant, 525 



Verhoeflf's haematoxylin, 458 



Verhoeff's stain for elastic fibres, 458 



Veronal acetate buffer pH 9-2, recipe, 

 316 



Vesuvin brown (Bismarck brown), 

 Neisser, recipe, 562 



Victoria blue B, pH, mol. wt. struc- 

 ture, etc., 19, 72 



Victoria blue R, mol. wt., solubilities, 



572 

 Victoria blue 4R, pH, structure, etc., 



20, 73 

 Victoria green G, pH, structure, mol. 



wt., solubilities, 22, 53 

 Victoria green - Hickson's purple for 



general histology, 247 

 Victoria green - Marshall red, a gen- 

 eral purpose stain, 291 

 Violamine 3B, 14, 22, 75, 82, 85, 



203-6 

 Violamine 3B - acid fuchsin, 14, 82, 



85, 203-6 

 Violamine R - acid fuchsin, 45 1 

 Viruses, 102, 104, 133 

 Vital new red, 21, 572 

 Vital red, pH, mol. wt., 21 

 Vital staining of neurological tissues, 



130 

 Vitamin C, methods for, 409 

 Vitamins, 4 



Wandering cells, 348 



Water blue-erythrosin - haematoxylin, 



196 

 Water blue - orcein - safranin for 



epithelial fibres, 459 

 Water blue - orcein (Unna) for collagen 



fibres, 397 

 Water blue - tannic acid, 397 

 Water, effects of heat on pH, 29 

 Water, refractive index, 568 

 Waterwax D23, a rapid embedding 



method, 502 

 Weigert's borax - ferricyanide, recipe, 



236 

 Weigert's elastin stain, 188-9, 462 



630 



