INDEX. 



Abbe Prof, 20 

 Abney Captain, 75 — 91 

 Absolute Alcohol, 6S 

 Absorption, 10 

 Achromatism, 11 

 Achromatic Condenser, 28 

 Achromatic Objpet Glass, 15 

 Actinic Focus, 14 

 Actinic Light, (prevention of), 



51 

 Adjustment Fine, 25 

 Algce, 58 



Aperture Angular, 19 

 Aperture Numerical, 20 

 Apparatus, 48 

 Artificial Light, 33, 95 

 Association, Effects of, 22 



Bacilli, 69 



Balsam and Benzol, 57 



Bath Sensitizing, 75 



Battery, 96 



Beale, Dr., 68 



Black Velvet Backing, 106 



Blue Glass, 32, 40 



Boxwood Slips, 55 



Bull's Eye, 40, 48 



Camera, 41 



Carbon Bisulphide, 62 



Carmine, 67 



Carpenter, Dr., 58 



Centering-, 101 



Cell for Sulphate of Copper, 47 



Chloride of Gold, 63 



Chromatic Aberration, 10 



Cleaning Plates, 74 



Coarse Adjustment, 25 



Collodion, 75 



Conjugate Foci, 6 



Compound Microscope, 24 



Concave Lenses, 5 



Condensers, 28 



Convex Lenses, 5 



Copying Camera, 143 



Copper Sulphate, 47 



Coscinodisci, 62 



Cover Glass Correction, 17 



Dallinger, Dr., 39 



Damar, 57 



Dark Ground Illumination, 109 



Dark Boom, 48 



Density to Increase, 135 



Developers, 75, 83 



Diaphragm, 28 



Diatomacese, 60 



Diffraction, 20 



Drying Plates, 82 



Dry Mounting Objects, 55 



Dry Plates, 80 



Electricity, 38, 95 

 Emulsion, 80 

 Endothelium, 64 

 Enlarging, 14 

 Exposure, 107 

 Eye, 8 

 Eyepiece, 24 



Ferrous Oxalate, 37 

 Fine Adjustment, 25 

 Fixing Solution, 78 

 Focal Adjustment, 104 

 Foci, 6 



Focussing Rod, 47 

 Focussing Glass, 42 

 Focussing Screen, 41 

 Fog, 130 

 Foraminifera, 60 

 Frames Printing, 137 

 Freezing Microtome, 55 

 French Micro-photography, 92 



