SECTION FOUR 



Silver diaminohydroxide, 207, 415 



Silver method for nerve fibres of 

 planarians, 417 



Silver method for Trap, pallidum, 262 



Silver nitrate, 207-8, 222, 262, 404, 

 406, 417, 456 



Silver nitrate, controlled differential 

 staining of cells & connective tissue 

 fibres, 410 



Silver nitrate for ascorbic acid, 409 



Silver nitrate for lipofuscin granules, 

 414 



Silver nitrate - hydroquinone, detec- 

 tion of gold in experimental ani- 

 mals, 407 



Silver nitrate - periodic acid - orcein - 

 aniline blue, 359 



Silver nitrate - pyridin, 415 



Silver nitrate staining; removal of 

 interfering connective tissue ele- 

 ments, 413 



Silver-urea for nerve endings & nerve 

 fibres, 456 



Skeletal muscle, myelinated nerves, 



431 



Smith & Atkinson's method for identi- 

 fying & counting mast cells in sec- 

 tions, 445 



Smith-Dietrich stain for lipids, 269 



Smooth muscle, reticulum, collagen, 

 differential staining, 315 



Snakes, preservation of museum speci- 

 mens in natural colours, 530 



Soaps, neutral fats & fatty acids, 241 



Sodium bisulphite, 172 



Sodium citrate, 174 



Sodium fluoride & fluorosis, 169 



Sodium naphthyl phosphate, alpha, 



245 



Sodium nitroprusside, 146, 151 



Sodium succinate M/5 solution, 320 



Sodium urate, demonstration of, 163 



Sodium vanillidenmalonate for neuro- 

 logical tissues, 420 



Solochrome cyanin R, 9, 10, 19, 70, 

 72, 422 



Soluble blue 8B, 572 



Solubility tables of miscellaneous dyes, 

 570-2 



Solubility table of miscellaneous 

 chemical reagents, 568-9 



Solvents, miscellaneous notes on, 513 



Solway purple, 572 



Specific gravities, table of, 570 

 Specimens, collection, preservation & 



transport of, 455 

 Spermatozoa, 134-5 

 Sphingomyelin storage granules, 339 

 Spiders, fluid mounts for, 516 

 Spinal cord, 9, 329, 463 

 Spleen, 276 



Splenic & lymphoid tissues, 390 

 Spoerri's tribasic stain for neurological 



tissues, 183 

 Spuler's fixative, recipe, 538 

 Sputum, malignant cells in, 93-4 

 SQD balsam, notes on, 524 

 Staining, theory of, notes on, 3-10 

 Starch & glycogen, differentiation of, 



354 



Starch, mucin & glycogen, differentia- 

 tion of, 353 



Steedman's ester waxes for embed- 

 ding, 504-7 



Stilbene dyes, notes on, 10, 62 



Stirhng's aniline gentian violet, 281, 



548 

 Stilwell's Sudan black method for 



myelinated peripheral nerves, 429 

 Stock solutions, dilution of, 573 

 Stratum lucidum, 334 

 Structural formulae of dyes, 32, 35-6, 



76, 79, 80-1, 86-9 

 Succinic dehydrogenase in ascites 



tumour cells, 320 . 

 Sudan black, 3X, 39, 52, 320, 423, 425, 



427-9. 431-2 

 Sudan black - ethylene glycol, 428 

 Sudan black - prophylene glycol, 431 

 Sudan black for interstitial cells of 



testis, 423 

 Sudan black for myelin & neutral fats, 



427 

 Sudan black for myelinated peripheral 



nerves, 429 

 Sudan black & osmic acid methods 



for interstitial cells of testis, relative 



merits of, 423 

 Sudan black - pyridin extraction (J. R. 



Baker), 431 

 Sudan black, structure, mol. wt., etc., 



39 

 Sudan blue for degenerating myelin 



(R. D. LilHe), 432 

 Sudan brown, solubilities, mol. wt., 



572 



627 



