SUBJECT INDEX 



523 



Magnesium, by analytical electron 

 microscopy, 147 

 by microincineration, 145 

 chemical staining methods, 18 



Magnesium uranium acetate reagent, 

 use in method for sodium, 204 



Mallory-Parker hematoxylin method 

 for localization of lead and cop- 

 per, 23 



Mallory-Parker methylene blue 

 method for lead and copper, 24 



Manometer, for microliter diver tech- 

 nique, 348 

 use of ])ressure regulator vs. sy- 

 ringe for fluid adjustment, 348 



Manometer fluid in microliter diver 

 technique, 348 



Manometric methods of gasometiy, 

 342 



Manometric techniques of gasometrj', 

 compared with volumetric tech- 

 niques, 313 



Manometry, Cartesian diver, 342 



McJunkin method for peroxidase in 

 tissue sections, 90 



Melanin, chemical staining methods, 

 61 

 isolation, 472 



Melanoblasts, dopa oxidase in identi- 

 fication, 91 



Membrane interferometer volumetrv, 

 340-341 



Mendel-Bradley method for zinc, 19 



Menke method for chloroplasts, 468 



Menten-Junge-Green coupling method 

 for localization of alkaline phos- 

 phatase, 79 



Mercurv, chemical staining methods, 

 24 ' 

 mercuric, staining method, 25 

 mercurous, staining method, 25 



Metals, localization by direct obser- 

 vation of fluorescence, 108 



Metaphosphoric acid as extraction 

 medium in determination of as- 

 corbic acid, 301 



Methylene blue, in localization of 

 succinic dehydrogenase, 96 

 in Mallory-Parker method for lead 

 and copper, 24 



Methyl green stain for starch, 51 



Microbiological techniques, 439 

 Microcuvettes, advantage over capil- 

 lary tube colorimetry, 195 

 Microelectrode measurement of local 



oxygen tension in tissue 404 

 Microelectrodes. platinum, for meas- 

 urement of oxygen tension in 

 tissue, 404 

 Microincineration, 140-146 

 Microliter burettes, 255 

 Microliter diver, 350 

 Microliter diver constant, calculation, 

 378 

 measurement of total gas volume, 

 378 

 Microliter diver techniques, ball- 

 tipped pipettes, 360 

 "braking" pipette, 359 

 calculations, 378 



calculations for change in gas vol- 

 ume, 379 

 Cartesian diver manometry, 342 

 connecting manifold, 347 

 experimental procedure, 376 

 filling the diver, 362 



technique for large biological ob- 

 jects, 363 

 measurement, 374 

 saturation of flotation medium 

 with gas, 374 

 pipettes, 356 

 calibration, 361 



for dilute aqueous solutions, 357 

 for precise deposition of drop in 



diver neck, 360 

 for transfer of cells and tissue 



pieces, 359 

 for viscous liquids, 359 

 holding devices, 361 

 removal of objects from divers, 363 

 spreading bottom drop in diver, 



means, 362 

 temperature control apparatus, 344 

 Microliter pipettes, 170 

 Micrometer, use in microliter burettes, 



255 

 Microphotometer, self-recording, for 

 measurement of photographic 

 film, density, 138 

 Micropipettes. See Pipettes. 

 Microscope, polarizing. See Polarizing 

 microscope. 



