INDEX 



297 



Photo-micrography, 220-240 ; cover-glass 

 correction, 234 ; apparatus for, 223 ; 

 compared with ordinary photogra- 

 phy, 222 ; condenser for, 42, 226, 227- 

 distinguished from micro-photogra- 

 phy, 220 ; experiments, 229 ; expos- 

 ure for, 213, 220, 232, 235, 240 ; focus- 

 ing for, 213, 216 ; focusing screen for, 

 209 ; lighting, 229, 230, 233, 239 ; mi- 

 crometer for, 233 ; objectives and oc- 

 ulars for, 13, 224, 232,235; vertical 

 camera with, 211, 222, 225; actinic 

 foci in, 226 ; with and without ocular, 

 230,232, 234 ; record table for, 219. 

 Physiological histology, 196. 

 Picric-alcohol, 203. 

 Picro-fuchsin, 190. 

 Pillar of microscope, Frontispiece. 

 Pin-hole diaphragm, 47. 

 Pippett, 179; egg, 280. 

 Plane mirror, use of, 37. 

 Plates, color-correct, 217; exposure of, 

 213. 220, 232, 235, 240 ; isochromatic, 

 or orthochromatic, 217 ; size of, 224. 

 Pleochroism, 152. 

 Pleurosigma angulatum, 41. 

 Point, axial, 15 ; burning, 7. 

 Pointer ocular, 247. 

 Polariscope, 140, 150. 



Polarized light, extraordinary and ordi- 

 nary ray of, 150. 

 Polarizer and analyzer, 140, 151. 

 Polarizing microscope, pedesis with, 100. 

 Position of objects or parts of same ob- 

 ject, 92 ; marking p , 24S. 

 Positive oculars, 10, 22. 

 Power, of microscope, 103 ; illuminating, 

 penetrating, resolving, of objective, 

 19-21 ; of ocular, 25. 

 Preparation of Canada balsam, Farrant's 

 solution, glycerin, glycerin jelly, etc., 

 19S-204. 

 Preparation, of clearing mixture, liquid 

 gelatin and shellac cement, 19S-204 ; 

 of ground glass, 29 ; of metallic sur- 

 faces, 239 ; vials, 174. 

 Preparations, cataloging, 194-196 ; cabi- 

 net for, 196-197 ; labeling, 194 ; for 

 microprojection, 263 ; permanent, of 

 isolated cells, 175. 

 Price of American and foreign micro- 

 scope, 71. 

 Principal, focus, 3, 5 ; focal distances, 3, 



30 ; optic axis, 2, 5. 

 Prism of Abbe camera lucida, 124, 127; 

 Amici, 140; comparison, 141; dis- 

 persing, 141; erecting, 176; Nicol, 

 150; and slit of micro-spectroscope, 

 mutual arrangement, 139; of Wollas- 

 ton's camera lucida, 125. 



Prints, photographic, 211. 



Projection, apparatus, 249, 263-297 ; mi- 

 croscope, 249-266 ; see micro-projec- 

 tion ; objective, 13, 214, 259 ; ocular, 

 ?4i 25, 232, 260 ; opaque objects, 267 ; 

 in photo-micrography, 232, 234. 



Putting, on cover-glass, ' 167 ; an object 

 under microscope, 27 ; an objective 

 and ocular in position, 26, 27. 



Pyroxylin, 200. 



Q-R 



Quadrant for camera lucida, 127, 12S. 



Radiant, centering, 255. 



Ratio, ocular micrometer, 119. 



Razor and support, 276-277. 



Reagent, bottle, 179 ; for fixing, 19S; irri- 

 gation with, 170; for mounting, 198. 



Real image, 5, 8, 9, 30; magnification, 103, 

 262. 



Record, of negatives, 214; table for photo- 

 micrograph v, 219. 



Reflected light. "35. 



Reflection, total, 54. 



Refraction, 52 ; images, 52, 58 ; index of, 

 53 ; of medium in front of objective, 

 1 Si- 

 Refractive, doubly, 152 ; highly, 97 ; ■ 

 singly, 152. 



Relative position of objects, 92. 



Resinous media, mounting objects in, 

 order of procedure, by drying or 

 desiccation, 172; by a series of dis- 

 placements, 172. 



Resolution and numerical aperature, 20. 



Resolving power, 20. 



Retinal image, 6, 9. 



Revolving nose-piece, marking objectives 

 on, 71. 



Ribbon sections, 186-187 ; tray for, 1S7. 



Sagittal sections, 192. 



Salicylic acid, crystallization, 50. 



Salt solution, normal, 203. 



Scale, of drawing, 131 ; of sizes for pho- 

 tographing, 206 ; of wave lengths, 

 142. 



Screen, color, 21S-219; focusing s. for 

 photo-micrography , 209 ; of ground 

 glass, 29; for micro-projection, 261 ; 

 for microscope, 59. 



Screw, society, 64 ; micrometer, 26, 117. 



Sealing cover-glass, 169, 170. 



Searching ocular, 24. 



Secondary axis, 3. 



Section, lifter, 1S1-182 ; optical, 98. 



Sections, arrangement of tissue for, 191 ; 

 clearing, 190; cutting, 178, 186 ; de- 



