518 



SUBJECT INDEX 



Electrodes (continued) : 

 silver, Linderstr0m-Lang-Palmer- 

 Holter type, 183 



"Electromagnetic flea" in stirring, 179 

 ferrum reductum, 179 

 steel ball bearings, 180 



Electrometric titration method for 

 acid or alkali groups, 2')0 

 for chlorides, 281 



Electron microscope, Scoft-Packer 

 type, 148 



Electron microscopy, analytcal, 147 



Elements, identification by smission 

 spectrography, 109 



Elftman-Elftman method fr local- 

 ization of gold, 28 



Emission histospectroscopy, 39 



Engstrom technique employii; Roent- 

 gen absorption histospecoscopy, 

 127 



Enzymes, chemical staining lethods, 



77 



Erythrocytes, avian, isolatio of cell 

 nuclei from, 454 



Esterases, by Glick adimetric 

 method 309 

 by titrimetric techniques, )8 



Evelyn photoelectric colorimer, de- 

 termination of serum calum by, 

 222 



Extraction of lipids, methodor, 292 

 Schmidt-Nielsen method, 93 



Ferritin, isolation from hoi liver, 



471 

 Feulgen reaction, Cowdry jdifica- 



tion, 68 

 in detection of aldehydeSS 

 Oster modification, 68 

 specificity for aldehydes, 

 Whitaker use for plant tiies, 67 

 Feulgen reagent, Coleman (repar- 

 ation, 67 

 for localization of polysaarides, 



43 



in Oster-Schlossman meti for 



amine oxidase, 93 

 Rafalko modification for ection 

 of chromatin elements, 

 Feulgen technique, specificitJS, 66 



Fiber balance. See Balances. 

 Filters, in chemical techniques, 176 

 in fluorescence microscopy, 100 

 preparation for determination of 

 sodium by capillary tube tech- 

 nique, 204 

 Fixed pipettes, 170 

 Flotation medium, in microliter diver 



technique, 346 

 Flotation vessel (s), for capillary diver 

 technique, 385 

 in microliter diver technique, 345 

 Fluorescence, change of tissue color 

 with temperature, 106 

 direct, of certain parasites, 108 

 of compounds, 107 

 of various tissues, 106 

 direct observation by fluorescence 



microscopy, 104 

 localization of riboflavin, 104 

 of uranium salts, 108 

 of vitamin A, 104 

 "primary," 99 

 "secondary," 99 

 spectroscopic analysis, 108 

 Fluoresence color of drugs, change 



with temperature, 107 

 Fluorescence microscope, set-up, 100 

 Fluorescence microscopy, 99 

 characterization of substances, 104 

 condensers used, 100 

 filters used, 100 



frozen dried tissue vs. formalin- 

 fixed tissue, 102 

 immersion media, 101 

 mounting medium, 101 

 preparation of tissues, 102 

 Fluorescence photomicrography, 

 equipment prerequisites, 103 

 Fluorescent dyes. Popper method for 



localizing lipids, 105 

 "Fluorochromes," role in fluorescence 



microscop5'^, 99 

 Folin reagent, use in Bordley-Hend- 

 rix-Richards method for creatin- 

 ine, 212 

 "Forerunner," use in fiUing divers, 362 

 Formol method for tiyptic activity, 



306 

 Forsgren test for bile acids, 64 

 Fractionation of lipids, method, 292 

 Schmidt-Nielsen method, 293 



