INDEX. 



Benzin, removing of from sections, i65. 



Biaxial crystals, 138. 



Bibliography, 32, 91, 108, 119, 135, 139, 

 173, 182, 209, 215. 



Binocular vision, for getting magnifica- 

 tion, 93. 



Blood, absorption spectrum of, 131 ; or 

 other albuminous material, removal, 

 58 ; velocity of current, 88. 



Body of microscope, Frontispiece. 



Bottle for balsam, glycerin or shellac, 164. 



Bowl, waste, 162. 



Bread crumbs, examination of, 90. 



Bromide paper, 208. 



Brownian movement, 88. 



Brunswick black, removal from lenses. 58. 



Bubble, air, 84-85. 



Bull's-eye, 49, 191, 20a; engraving, glass 

 for, 198. 



Burning point, 6 ; finding of, 30. 



Butterfly scales, 90. 



Cabinet for microscopical preparations, 



173. 174- 

 Calipers, micrometer, 143, 144 ; pocket, 



143- 

 Camera bed, 207 ; photographic, for draw- 

 ing, 208 ; long and short bellows, 



187, 200; photo-micrographic, 1S6, 



188, 190-193, 202. 205, 207 ; testing, 

 1S5 ; vertical, 188, 293, 202, 205, 207. 



Camera lucida, Abbe, in.; arrangement 

 of, 1 12, 113 ; drawing with, 114, 115, 

 118 ; hinge for prism, 112 ; with in- 

 clined microscope, 115 ; laboratory 

 microscope with, 61 ; magnification 

 of microscope with, 92, 118. 



Camera lucida, definition, 109 ; figures 

 of, 98, no in, 114 ; Wollaston's, 95, 

 in. 



Canada balsam, 175 ; mounting in, 163, 

 167 ; preparation of, 175 ; removal 

 from lenses, 58 ; removal from slides, 

 141. 



Carbol-xylene, 176. 



Carbon-monoxide hemaglobin, spectrum 

 of, 133- 



Carbonate of lime, pedesis, 89. 



Card catalog, 173 ; centering, 149. 



Care of, eyes, 58 ; microscope, mechan- 

 ical parts, 57 ; optical parts, 57 ; neg- 

 atives, 197 ; water immersion object- 

 ives, 55. 



Carmine to show currents and pedesis, 

 89 ; spectrum of, 133. 



Castor- xylene clarifier, 176. 



Catalog, cards, labels, ink for, 173. 



Cataloging, formula, 172 ; preparations, 

 171-172. 



Celloidin for coating glass rod, 87. 



Cells, deep, thin, 148 ; isolated, prepara- 

 tion of, 155 ; mounting, 148 ; stain- 

 ing, 155- 



Cement, shellac, 179. 



Cementing collodion, 177. 



Center, optical, 2, 3. 



Centering and arrangement of illumina- 

 tor, 41, 45 ; card, 149; coudenter for 

 photo-mici o g r a p by , 201 ; dia- 

 phragm, 42 ; image ol source of illu- 

 mination, 42 



Central light, 35, 84 ; with a mirror, 39. 



Chain lens holder, 199 



Chamber, moist, 151. ♦ 



Chimney, metal for lamp, 48. 



Chloroform, paraffin, 176 ; infiltrating 

 with, 165 ; saturating with, 165. 



Chromatic aberration, 4 ; correction, 12, 

 13 ; correction, test ior, 210. 



Chemical focus, 13 ; rays, 13. 



Clarifier, 176; casior-x\lene, 176. 



Cleaning back lens of objective, 58 ; ho- 

 mogeneous objectives, 56 ; mixtures 

 for glass, 145 ; slides and cover- 

 glasses, 140-142 ; water immersion 

 objectives, 55. 



Clearer, clearing, 153, 164. 167, 176. 



Clearing mixture, preparation of, 176. 



Clinical microscope, 76. 



Clothes moth, examination of scales, 90, 



Cloudiness of objective and ocular, how 

 to determine, 82 ; removal, 58. 



Coarse adjustment of microscope, Front- 

 ispiece ; testing. 60. 



Cob-web micrometer, 104. 



Collective, 24. 



Collodion, 176 ; for coating glass rod, 87 ; 

 cementing, 177 ; clarifying, 158; cot- 

 ton, 176; hardening, 158; method, 

 157, 164; thick, 158, 177; thin, 157, 

 177. 



Color correction, 13 ; images, 51, 56 ; law 

 of, 124 ; production of, 138 ; screens, 



I9 1 . So- 

 Colored minerals, absorption spectra of, 

 134 ; substances, spectra of, 133. 



Colorless bodies, spectra of, 134. 



Coma, 53. 



Combination of lenses, back and front, 

 10-12, 52 ; optical, 105. 



Comparison prism, 127, 128 ; spectrum, 

 128. 



Compensating ocular, 24-26. 



Complementary spectra, 124. 



Compound microscope, see under micro- 

 scope. 



Concave lenses, 3 ; mirror, use of, 36. 



Condenser, 39-49 ; Abbe, 44-48 ; achro- 

 matic, 40, 191, 201 ; apochromatic,4o, 

 191 ; bull's-eye, 49, 198, 200; center- 

 ing, 41, 45 ; illuminating cone with, 

 44 ; mirror for, 46 ; non-achromatic, 



