THE MICROSCOPE. 



195 



Objects, appearances, 2 

 Walter White's list, 17 

 seen under a microscope, 129, 

 145, 161, 177 

 Ocular : see Eyepiece. 

 Oil of anise-seed for freezing mi- 

 crotome, 35 

 of cedar for oil immersion ob- 

 jectives, 171 

 globules, 3 

 Orange leaf, section, 56 

 Outlines, distinctness, 4 



Paper bag machine, 152, 156 

 Paraffin, tempering, 34 

 Paste, permanent, 13 



for paper on glass or metal, 42 

 Pasteur's solution, 16S 

 Perithecia of Erysiphe, 126 

 Petromyzon, germinal layers, 4 

 Pharmaceutical study, 95 

 Photomicrography, 12, 74, 77, 89 



Rogers, 5, 21 

 Picro-carmine, Hoyer's, 124 

 Pixol, 173 



Plasmatic stains, 60 

 Poisons, how to keep, 40 

 Polarization, rapid, no 

 Pollen, mounting, 62 



tubes, examination, 53 

 Pollinia of milkweed, 142 

 Pork packing, 140 

 Potato, section, 159 

 Practical suggestions, 13, 46, 95, 



no, 125, 137, 141, 158, 171 

 Premiums, 76 



Prizes for original work, 90, 93 

 Prothallia of fern, to section, 167 

 Public office. 43 

 Pygidium of flea, 79, 94 



Questions answered, 14, 33, 44, 47, 

 62, 77, 94, 108, 124, 140, 157, 

 186 



Radam's microbe killer, 95 



Ragweed, 172 



Red sea-weed, 177 



Ring worms, 172 



Rocks, cutting and grinding, 86 



Rock-cutting machine, cheap, 106 



Rotifera, 79 



Rust, white, of tomato, 173 



Science-gossip, 34, 46, 63, 143, 173 

 Section cutting, 13 



of delicate objects, 167 



Rock and vegetable, 13 

 Shrimp, brine, 129 

 Signatures, examination, 162 

 Smith, H. L. library, slides, 127 

 Society of American Botanists, 16S 

 Solution, Pasteur's, 168 

 Spider's web, mounts, 14 

 Spiral cells of castor oil plant, 142 

 Sputum, staining, 158 

 Starch, mounting, 62 

 Stain, Grenacher's carmine, 52 



borax carmine, 109 



haematoxylin, 164 



plasmatic 60 



specific, 63 



sunlight, 33 



vegetable, 60 

 Staining, after treatment, 109 



carbolfuchsin, 109 



Ehrlich-Biondi triple-stain, 109 



logwood, 109 



methyl blue. 109 



safrauin, 109 

 Stowell on "The Microscope," 79 

 Sugar, flower crystals, 126 

 Surirella gemma, 161 

 Sweet briar leaf, 179 



Tape worm, head, 145 



Tariff on books, no, 154 



Tobacco smoke, 77 



Tomato fungus, 173 



Turnip, section of rutabaga, 87 



Urine, crystals, 15S 



Vegetable sections, preserved, 33 

 sections, staining, 29 

 sections in celluloidin, 45 

 tissues, treatment, 4 



Yolvox, mounting, 155 



Walking fern, 179 

 Water, how to examine. 159 

 Watson's catalogues. 169 

 White rust of tomato. 173 

 Wines, artificial and natural, 15 

 Wolle, Francis, Obituary, 152 



