310 



THE USE OF THE MICROSCOPE 



Magnifier, aperture of, 19 

 binocular, 22 



care of, 183 

 brightness, 19 

 doublet, 17 

 practical points, 25 

 with rhombohedral prisms, 22 

 rules disregarded, 20, 22 



regarded, 20, 22 

 simple, 196 

 spectacle, 22 

 summary, 24 

 triplet, 18 

 use, 14, 20, 162 

 Malaria, smear, 239 

 Mangifera indica, polyembryony, 



230 

 Mann, water-immersion, 132 

 Measuring aperture of objective, 267 

 chromosomes, 144 

 eyepiece, 151 

 magnifying power, 264 

 methods of, 151 

 microscopic objects, 264 

 Mees, booklet on color screens, 212 



Wratten filters, 203 

 Merlin, resolution with dark field, 

 203 

 small cocci, 102 

 submicroscopic objects, 100 

 Metz, condenser, achromatic oil- 

 immersion, 201 

 dark-field, 93 

 paper on, 212 

 Metzner, book on the microscope, 

 210 

 mounting in immersion oil, 12 

 Microscope, care of, 175 

 practical points, 184 

 discoveries with, 214 

 exercises with, 247 

 first use of, 196 

 future discoveries, 217 

 future of, 204 

 high-power, 28 

 apparatus for, 1 1 

 rules, 186 

 testing, 173 

 working, 12 



Microscope, illumination, 66 

 inclinable, 58 

 inclination of, 183 

 labor-saving, 154 

 literature, 209 

 low-power, 27, 37 

 medium-power, 27 

 mishaps with, 192 

 monocular, 55 



advantages of, 55 



distance spectacles for, 59 



summary, 58 

 outfits, 154 



improving, 159 



suggested, 157 



summary, 160 

 past and future of, 196 

 practical points, 36 

 references to literature of, 292 

 routine, 60, 62 



dry condenser for, 62 



lamp for, 62 



low eyepieces, 60 



objectives for, 60 



summary, 64 

 screwed down, 58, 183 

 structure of, 28 

 suggested medium power, 207 

 summary, 35 

 superfluities, 204 

 testing, 171 



for uncovered objects, 157 

 use of, 26 



utilitarian discoveries, 217 

 Microscopical glossary, 277 

 image, injuries to, 6 

 objects, 99, 218 

 preparations, 104 

 Society, Journal of the Royal, 209 

 study, sequence of, 1 

 training, summary, 12 

 Microscopy, first rule, 28 

 fourth rule, 35 

 high-power, rules for, 11 

 routine, rules, 189 

 second rule, 30 

 third rule, 32 

 Mikroskopie, Zeitschrift fuer wissen- 



schaftliche, 209 



