INDEX 



759 



prr's — {continued) 



osmic method for degenerative changes, 

 528 

 Onseillin BB, for staining, 



fungi in plant tissues, (Cohen), 501; 

 fungi in plant tissues, (Ravn), 502; 

 Peronosporales, (Alangin), 502 

 in, combined preservative-stain, 177 

 staining combination with, anilin lilue, 502 

 crystal violet, 501 

 von Orth's, fixative, 233, 249 

 in, 



Endicott's method for bone marrow, 

 430; Koinikow's method for Schwann 

 cells, 415; Masson's technique, 371; 

 Pappenheim's technique, 350 

 recommended use, 95 

 stains, lithium-carmine, 307 



as ingredient of, von Orth's picro- 

 carmine, 304 

 Squire's picro-carmine, 304 

 in, Calleja's double contrast, 325 

 for staining, 



Aspergillus fumigatus, (Besson), 

 503; elastic fibers, (Hart), 388; 

 elastic fibers, (Schmohl), 389 

 picro-carmine, 304 



for staining Sacchromyces in sections, 

 (Curtis), 503 

 Oschatz's cement, 656 



Osgood and Wilhelm's method for reticulo- 

 cytes, 419 

 Osmic acid, as, fixative, 193 

 histological stain, 529-530 

 immobilizing agent, 52 

 ingredient of, 



Becher and DemoU's macerating 

 fluids, 262; Bethe's methylene blue, 

 401; Bethe and Monckeberg's tolui- 

 dine blue, 402; Drew's mordant, 515; 

 Drost's macerating fluid, 263; Du- 

 buscq's thionine, 417; Harris's mor- 

 dant, 518; Haug's decalcifying fluids, 

 258; Rossi's methyl green, 419; 

 Zikes's mordant, 519 

 mordant for stains, Schultze's hema- 

 toxylin, 407 

 stain, general observations, 525 

 basal fixative solution, 237 

 fixative combinations with, 



acetic acid, 193; acetic and tannic acids, 

 194; chromic acid, 199, 200, 201 ; chromic 

 acid and dichromates, 201, 202; cobalt 

 salts, 205; copper salts, 198; cupric and 

 mercuric salts, 197; dichromates, 202- 

 205; iron salts, 205; formaldehyde and 

 acetic acid, 194; formic acid, 194; iodine, 

 205; mercuric salts, 196, 197; mercuric 

 salts and chromic acid, 197; mercuric 

 salts and dichromates, 197, 198; roer- 



Osmic acid — {continued) 



fixative comliination with — {continued) 

 curie salts, dichromates, and uranium 

 salts, 198; mercuric salts and iodine, 

 198; mercuric salts and picric acid, 197; 

 mercuric and uranium salts, 198; nitric 

 acid, 194; palladium salts, 205; picric 

 acid, 198; picric and chromic acids, 199; 

 picric acid and silver salts, 199; platinic 

 chloride, 195; platinic chloride and 

 chromic acid, 195, 196; platinic chloride, 

 chromic acid, and thorium salts, 196; 

 platinic chloride and dichromates, 196; 

 platinic chloride and mercuric salts, 195; 

 platinic chloride, mercuric salts and 

 chromic acid, 195; platinic chloride and 

 picric acid, 195; uranium salts, 205 

 for fixing, protozoa, 52 



smears, 71 

 for killing rotifers, 31 

 in Dekhuyzen's method for blood, 417 

 methods for, 



cell inclusions, 530-531; degenerative 

 changes, 528-529; myelin sheaths, 529 

 removal from tissues, 256, 354 

 staining combinations with, 



carmine and protein silver, 607; picric 

 acid and silver nitrate, 608; potassium 

 dichromate, phosphomolybdic acid, 

 and silver nitrate, 603; potassium 

 dichromate and silver nitrate box, 608; 

 silver nitrate, 608 

 storing solutions of, 193 

 Osmic-silver stains, 603 

 Osmium tetroxide, see Osmic acid 

 Osmotic pressure, as affecting fixative qual- 

 ity, 187 

 Osteol)lasts, 384 



Ostracoda, collecting from moss, 45 

 Oudemann's preservative, 176 

 Ovaries, plant, 435 

 Ovary, of earthworm for CJolgi Ijodies, 525- 



527 

 Overton's fixative remover, 256 

 Oxalic acid, as gold reducer in various silver 

 methods, 550-609 

 as ingredient of, 



bleaching solution, 262; Boccardi's 

 developer, 616; Cajal and de Castro's 

 accelerator, 615; Cajal's iron toning 

 solution, 620; macerating fluids, 264; 

 MacFarland and Davenport's developer, 

 618; Pal's difi"erentiator, 520; stains, 

 see under name of author or dye; 

 Thiersch's carmine, 307; Thiersch's 

 injection mass, 666 

 for, bleaching, 261 



differentiating carmine stains, 295 

 Oxazine dyes, general remarks on, 272, 308 

 Oxidase granules, 417, 455 



