4 66 



INDEX 



Record tables, 232, 337-339, 3^6, 391 



collodion method, 391 



negatives, 232 



paraffin method, 386 

 Red, Congo, 354 



neutral, 362 

 Reflected light, 271 

 Reflection, irregular and regular, 272 



total internal, 275 

 Refraction (fig.), n, 272, 273-280 



air to glass and water, 273-274 



index of, 272 



law of sines in, 272 



medium in front of objective, 42 



relative and absolute index, 274 

 Refractive, doubly, 26S 



highly, 116 



singly, 267 

 Relative position in microscopic ob- 

 jects, 109 



index of refraction, 274 



of object and image, 14 

 Resinous media, mounting in, 328 

 Resolution (eye and microscope), 127, 



129, 297 

 Resolving power, 297 

 Retinal image, 5, 7, 9, 130 

 Revolving nose-piece (fig.), 28 

 Ribbon sections, 379-386 



deparaffining, 384 



drying, 383 



electrification, 381 



spreading, 3S2 



storing, 381 



tray for, 342-344 



winder, 382 

 Room, dark and drawing (fig.), 217, 



242 

 Royal Microscopical Society standards, 



103-106 

 Rule of thumb method, 1, 3 



Sagittal sections, 409 

 Salt solution, normal, 363 

 Scale, of drawing, 309 



size of photographs, 208 

 wave length, 248, 250, 255 



Scalpels (fig.), 379 

 Screen, color, 234-240 



focusing for photography, 2 10-2 n 

 Screw for objectives, R. M. S., 103 

 Sealing cover-glass, 325-327 

 Secondary axis (optic) , 1 1 

 Section knife and sharpening, 372 



lifter (fig.), 389 



optical, 117 

 Sections, arrangement on the slide, 400, 

 404 



clearing, 330 



collodionizing, 387-392 



cutting, 374-381 



dehydration, 229 



deparaffining, 384 



drying, 383 



extending with water, 382 



fastening to slide, 405 



free-hand, 374 



freezing, 374 



frontal, 407 



longisections, 399 



mounting, 405 



paraffin, 375-386 



ribbon, 379-383 



sagittal, 409 



serial, 399-410 



spreading or stretching, 382-383 



spreading plates for (fig.), 382-384 



staining, 392-395, 402 



surface sections, 400 



thickness of, 404 



transections, 399 



transferring (collodion), 390 



vertical, 400 

 Serial sections and fig., 399-410 



arrangement on the slide, 400-404 



cross or transections, 406-407 



embryos, 402 



fastening to the slide, 405 



frontal, 407 



imbedding for, 406-410 



labeling, 410 



mounting on slides, 405 



models from, 410-423 



numbering slides of, 400-401 



order of sections, 400-404 



