756 



INDEX 



Nitrocellulose — {continued) 

 storing solutions, 143 

 use on faulty paraffin ribbons, 122 

 Nitrocellulose blocks. Apathy's clearing mix- 

 ture for, 628 

 attaching to wood, 661 

 casting, 145ff, 146, 150, 151 

 cutting under 70% alcohol, 151 

 Gage's clearing mixture for, 628 

 hardening, 145, 146, 151 

 mounting, 145, 150 

 storage fluid for, 667 

 technique of casting, 150 

 Nitrocellulose embedding, 143, 144ff, 145ff, 

 150 

 media, 647-649 



removal of picric acid before, 255 

 Nitrocellulose sections, adhesives for, 659 

 dehydrating and clearing, 152 

 Dunham's clearing mixture for, 628 

 flattening, 148, 152 

 limitations of method, 142 

 method of cutting, 146, 147ff, 151 

 mounting on slide, 148 

 serializing on slide, 148 

 staining, 148, 151-152 

 Nitrocellulose sections, see also Double em- 

 bedded sections 

 de No's method for nerve endings in calcified 



structures, 556 

 Noback, see Kupperman, 191 

 Noble's method for fecal smears, 509 

 Nocht's stain, 345 

 Noguchi's developer, 618 

 in, 



Blair and Davies's method for nerves 

 in heart, 551; Jahnel's method for spiro- 

 chetes, 561; Noguchi's methods for 

 spirochetes, 480, 562 

 Noguchi's formaldehyde accelerator, 562, 

 613 

 in Bolsi's method for neuroglia, 558 

 Nollister's method for bone in fish embryos, 



384 

 Noniewicz's method for bacteria in sections, 



493 

 Nordstedt's glycerol jelly, 635 

 Norris and Shakespeare's double stain, 372 

 Northen's method for plant sections, 393 

 Novak's, fixative, 215, 249 



method for Herbst's corpuscles, 431 

 Novel's method for bacterial flagella, 598 

 Noyer's, cement, 656 



use of, 33, 34ff, 36, 37 

 gum mastic mountant, 640 

 Nuclear stains, acid fuchsin, 319 

 alkanet, 308 

 brazalin, 308 

 carmine, 300-308 

 crystal violet, 319 



Nuclear stains — {continued) 



general remarks on, 272 



gentian violet, 319 



hematoxylin, 481-493 



magenta, 315-316 



magenta leucobase, 316 



oxazines, 313 



safranin, 314-315 



synthetic, 313-319 



general remarks on, 308 



thiazins, 316-319 

 Nuclei, in yeasts, 512 



in yolky material, 319 



protein silver method for, 568 



remarks on staining, 433 



special fixatives for, 223, 230 



special methods for, 434-438 

 Nuclei, see also Mitosis 

 Nucleoli mentioned in, 



Arnold's triple stain, 351; Houcke's 

 double stain, 353 ; stains for, 434-438 

 Numerical designations of journals cited, 



675-680 

 Nutrose, in Huntoon's method for bacterial 



capsules, 488 

 Nuttall's stain, 321 

 Nyka's methods for Rickettsiae, 463 



O 



Oak, softening for sectioning, 92 

 Obersteiner's method for axis cylinders, 411 

 Objectives, water immersion, for controlling 



differentiation, 275 

 Obregia's method for attaching free sections, 



660 

 Ochre, as ingredient of Mendeleef's cement, 



656 

 Odontoblasts, 384 

 Ogata-Ogata's method for chromaffin cells, 



596 

 Ogawa's method for nervous tissue, 538 

 Oguma and Kihara's fixative, 201 

 Ohlmacher's, double stain, 328 



fixative, 209 

 Oil blue, as fat stain, 161 



in Lillie's methods for fat, 448 

 Oil of bay, cloves, etc., see under Bay oil. 



Clove oil, etc. 

 Oil of lilac, see Terpineol 

 Oil red O, for staining fat, 449 

 Oils, classification of, 622 

 Oilstones, 111 

 Okada's developer, 619 



in Okada's method for neurofibrils and 



pericellular nets, 556 

 Okajuna's method for erythrocytes, 418 

 O'Leary's method for nervous tissues, 411 

 Oleic acid, as ingredient of Zirkle's carmine 



balsam, 640 



