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, 15 r. 



Polarizing microscope, pedesis with, 100. 



Position of objects or parts of same ob- 

 ject, 92 ; marking p., 248. 



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 jell}-, etc., 

 198-204. 



Preparation, of clearing mixture, liquid 

 gelatin and shellac cement, 198-204 ; 

 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, 

 24, 25, 232, 260 ; opaque objects, 267 ; 

 in photo-micrograph}', 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, 128. 



Radiant, centering, 255. 



Ratio, ocular micrometer, 119. 



Razor and support, 276-277. 



Reagent, bottle, 179 ; for fixing, 198; irri- 

 gation with, 170 ; for mounting, 198. 



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

 262. 



Record, of negatives, 214; table for photo- 

 micrography, 219. 



Reflected light. 35. 



Reflection, total, 54. 



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

 53 ; of medium in front of objective, 



19- 



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 ; tra Y f° r > X S7- 



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, 218-219 ; 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, 181-182 ; optical, 9S. 



Sections, arrangement of tissue for, 191 ; 

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



