INDEX 



Abbe apertometer 187 



Abbe camera lucida 142-152, 329 



Abbe condenser or illuminator.. 54-58 



Abbe test-plate 185-187 



4 Aberration, chromatic 4, 5, 185 



Cover-glass 64 



Spherical , 4, 5, 185 



Absorption spectra 158-160, 167-172 . 



Acetylene light 42, 60, 226 



Achromatic, condenser 49, 50, 229 



Objectives 12, 15, 75 



Oculars 26 



Achromatism 15 



Actinic focus 223 



Adjustable objectives 14, 16, 64-68 



Experiments with 64 



Micrometry 138 



Photo-micrography 235 



Adjusting collar 65 



Adjustment, of analyzer 173 



Coarse or rapid, and fine 74 



Frontispiece ; of objective_i4, 16,65 



Objective for cover-glass 65 



Aerial image 35,37 



Air bubbles 103-106 



Albumen fixative, Mayer's 271 



Alcohol, absolute 271 



Ethyl 271 



Denatured 271 



Methyl 271 



Picric 281, 285 



Alcoholic dye 311 



Amici prism 155 



Amplifier 123 



Amplification of microscope 116 



Analyzer 163, 173 



Angle, of aperture 19, 20 



Critical 64 



Angstrom and Stokes' law 160 



Angular aperture 19, 20 



Anisotropic 175 



Apertometer, Abbe's 187 



Aperture of objective 19, 23, 187 



Illuminating cone 52 



Numerical of condenser 52 



Aplanatic cone 54 



Objectives 15 



Ocular 15 



Apochromatic condenser 50 



Objectives 15, 76, 221 



Apparatus and material, 



i, 39> 99, n6, 141, 155, 185, 203, 220 



Appearances, interpretation 99-115 



Arrangement, minute objects 261 



Serial sections 318 



Tissue for sections 317 



Artifacts ico 



Artificial illumination, 



42, 56, 60, 223, 228, 233 



Axial light 4r 



Experiments with 48 



Abbe illuminator 56 



Axial, point 19 



Ray 41 



Axis, optic 2, 3, 12 



Crystals ---175 



Illuminator 57 



Secondary 5, 6, 57 



Back-ground for photographing 



" 207, 213 



Back combination or system of 



objective 1 2-14 



Bacterial cultures, photographing, 243 



Balsam 272 



Acid 272. 281, 315 



Bottle 257 



Mounting in 257, 311 



Removal from lenses_: 71 



Natural 272 



Neutral 272 



Removal from slides 246 



Xylene 272 



Bands, absorption 158 



Base of microscope, Frontispiece, 



Bath, water i 153 



Bibliography, i, 38, 114, 139-140, 154, 

 172, 184, 192, 202, 243, 261, 264,- 

 283, 3 2 3,3 2 6,332, 333-345- 



Binocular 112-114 



Black, anilin for tables 282 



Blocks, for shell vials 259 



Blood, absorption spectrum of 168 



Blotting paper for models 326 



Board, reagent 259, 268 



Body of microscope. Frontispiece. 



Borax, carmin 273 



Bottle for balsam, glycerin or 



shellac 257 



Reagent 271 



