INDEX 



355 



potassium metaphosphate, 246 

 permanganate as differentiator 



of mordant dyes, 222 

 permanganate as trapping agent 



for dyes, 226 

 tri-iodide, 303 



preservation, 20 



preservatives, post-fixation, 30 



'primary' fixatives, 88 



propionic acid, 138 



protamine, 63, 95, 205, 259, 273 



proteins, digestibility after fixation, 



55 

 reactions with fixatives, 31, 44, 



91, 93, 97, loi, 106, 113, 120, 



128, 135 

 structure of, 31, 44 

 Prussian blue, 304 

 purpurine, 170, 175 

 pyrogallol, 140 

 pyroligneous acid, 134, 135 

 pyronine G, 171, 178, 230 



Quekett, 100, 134 

 quinine, 259 

 quinone, 156 

 quinone-imine dyes, 179 

 quinonoid dyes, 169 



Radiolaria, 275 



Ranvier, 97, loi, 244, 274, 276, 277 



Reaumur, 93 



red algae, 245 



red blood-corpuscles 



dyeing of, 192, 229, 242, 265 



fixation of, 74, 95, 99, 104, 109, 

 118, 132 



permeability of, 238 

 refractive index of cytoplasm, 22, 

 232 



of gelatine/albumin gel, 33 

 Regaud, 143, 147, 149 

 Remak, 100, 135 

 'resisted' wool, 240 

 resonance, 156, 159, 168 

 reticulo-endothelial system, 276 

 Reuter, 265, 267 

 rhodamine B, 226 

 ribonuclease, 230, 232 



ricinolein, 135 



Ringkorner, 125 



Ripart, 20 



RNA, see nucleic acids 



Rocella, 185 



Roe, 265, 270 



Romano wsky, 264 



Rongalit, 286 



Roque, 282 



rosaniline, 159, 170, 225, 285 



Ross, 77, 78, 79, 95, 108, 148 



Rossenbach, 309 



Rowe, 164 



Rudneflf, 120, 121 



Saccharomyces cerevisiae, 246 



saflfron, 155 



safranine O, 171, 181, 190, 284, 290 



Salamandra maculosa, 80 



salicylic acid, 213 



salmine, 217 



Sandritter, 231 



Sanfelice, no, 143, 146, 148 



saponine, 86 



Schafifer, 81 



Schiflf's aldehyde-reagent, 102, 

 107, 115, 163, 308 



Schmidt, 56 



Schultze, 120, 121 



Schulze, 120 



Schwarz, 40, 66 



sea-urchin, 81 (see Arbacia piis- 

 tulosa) 



Seki, 33, 94, 132, 189, 193, 196, 

 202, 237, 285, 286, 289, 290 



seminiferous tubules, 73 



Sepia officinalis, 81, 109 



sepia, 276 



serine, 191 



esters, 94, 1 14 



serum albumin, 33, 120 

 globulin, 33, 120 



Sheppard, 256 



Sherlock, viii 



shrinkage and swelling by fixatives, 

 35, 36, 75, 91, 94, 98, 102, 116, 

 131, 135, 136, 148 

 by dehydrating agents and em- 

 bedding media, 76 



