152 INDEX 



PACE 



High Powers, Subjects for 50 



High Powers with Transmitted Light 69 



Holder for Color Screen 72 



Home-made Camera 90 



Homogeneous Objectives, Illuminating Power of ..... 70 



Huyghenian Eye-pieces 50 



Hydroquinon 32 



Illumination . 42 



Improvised Photo-micrographic Apparatus 19 



Intensification 124 



Intensifier, Cyanide of Silver 127 



Iris Diaphragm 57 



Isochromatic Plates 35 



Karyokinesis 71 



Labeling Lantern Slides 117 



Lantern, The Dark-room 28 



Lantern Plates 112 



Lantern Slides in 



Langenheim's Micro -photographs z 



Leitz's Microscopes 10 



Leitz's Upright Camera 22 



Length of Exposure 58, 65, 68, 73 



Leucocytes 71 



Lime-light as the Radiant 44 



Local Reduction of Density 131 



Low Powers, Subjects for 50 



Low Powers with Transmitted Light 50 



Lumiere's "Color-correct" Plates 36 



Maddox, Dr. R. L 5 



Magnesium as the Radiant 43 



Masking Prints 103 



Measuring Amplifications 136 



Mechanical Local Reduction of Density 131 



Mechanical Stage 54 



Medium Powers, Subjects for 50 



Medium Powers with Transmitted Light 66 



