Xitro dyes, 21, 32 



radical, 18 

 Nocht, 88, 89 

 Nopalin G, 80 



Oil red, 38 



Oil red IV. 38 



Oil yelloic, 41 



Orange I, 36 



Orange II, 37 



Orange III, 30 



Orange IV, 36 



Orange A, P, or R, 37 



Orange extra, 37 



Orange G, 21, 28, 34, 110, 136 



Orange GO, or GMP, 34 



Orange N, 36 



Orange 7?, 41 



Orcein, 94, 126 



Ortho-sulpho-benzoic acid, 83 



Oxazins, 22, 51-53 



Oxyphile granules, 79 



Oxyquinone dyes, 22, 42 



Paladino, 39, 112 



Pancreatic tissue, staining of, 57 



Pappenheim, 50, 70, 76, 90, 115, 120, 

 121, 135 



Para-fuchsin, 63 



Para-magenta, 63 



Pararosanilin, 18, 20, 60, 63 



Pararosolic acid, 74 



Paris blue, 71 



Paris violet, 66 



Partsch, 92, 123 



Pelagetti, 112, 123 



Perkin, 9 



Petroff, 61, 117 



Pfitzer, 57, 116 



Phenazin, 17, 5t} 



Phenol, 15 



Phenol red, 84 



Phenolphthalein, 22, 83-4 



Pheneylene blue, 53 



Phenylene brown, 39 



Phenyl-methane dyes, 22, 58-74 



Phloxine, 82, 122 ' 



Phthalic acid, 83 



Phthalic anhydride, 77, 83 



Pianese, 32, 61, Q5, 110, 117, 118 



Picric acid, 9, 15, 21, 32, 110 



I'icro-carmin, 9 



Pith, staining of, 65 



Plants, fungus diseases of, 33, 61, 65 



staining sections of, 60 

 • Plgsma fibrils in epithelium, 94 



Platelets, staining of, 67 • 



Ponceau B^ 39 

 . Ponceau 3B, 38 



Ponceau 6t{, 41 



Protein, staining of, 56, 70 



Protozoa, staining of, 70 



Pseudo-base, 19 



Purpurin, 43, 113 



Pyoktanin blue, 66 



Pyoktanin yellow, 60 



Pyoktatiimum aureum, 00 



Py renin B or G, 22, 76, 121, 135, 136 



Pyronins, 22, 75-6 



Pyrosin B and ./, 81 



Quinoid ring, 13, 17, 18, 42, 45, 59. 65, 



73, 84 

 Quinone, 13 

 Quinone-imide dyes, 22, 44-57 



Ranvier, 9, 124 



Rawitz, 94, 125 



Red violet, 65 



Renter, 89 



Rhodamine B, 22, 77, 121 



Rhodaminc 0, 77 



Rhodamine S, 77 



Rhodamines, 22, 77-8 



Rosanilin, 20, 63 



Rosanilins, 62-73 



Robertson, 115 



Roccellin, 41 



Romanovskv, 79, 87, 88, 89, 114, 122 



Rose Bengal, 22, 83, 123 



Rosen, 77 



Rosolic acids, 22, 73-74 



Rothberger, 115 



Rubin, 20, 03 



Rnbidin, 41 



Safranin O, 22, 55, 115, 133 



Safranins, 17, 22, 54-57 



Safrosin, 80 



Salamander larvae, staining of, 60 



Salicin black, 41 



Scarlet B, or FX\ 39 



Scarlet G, or B, 38 



Scarlet J, J J or V, 80 



Scarlet red, 38 



Schaffer, 36, 40, 111, 113 



Scharlach B, 41 



Scharlach R, 38 



Schneider, 93, 124 



Scott, 47, 48 



Schr otter, 43, 113 



Schultz, 127 



Schultz' Index, 23, 106, 107, 109 



Schwa rz, 9 



Schweigger-Seidel, 8 



Silver Gray, 57 



Skin, staining sections of, 36 



Smith, Lorrain, 52, 115 



Smith, Louise, 51 



Society of Dyers and C'olourists, 23 



Solid green, 61 



150 



