xxxviii CONTENTS. 



pAQE 



Nelson, E. M. — What 'did our Forefathers see in a Microscope ? (Fig. 52) .. .. 427 



Eubens, H., & H. Hollnagel — Measurements in the Long-waved Spectrum .. .. 517 

 Heen, P. de — Phenomena of Light-polarisation in Solid and Pseudo-liquid Organised 



Matter 518 



Ewell, Marshall D. — Comparative Micrometric Measurements 537 



Travis, C. — Behaviour of Crystals in Light Parallel to an Optic AxU (Figs. 95, 96) 657 



Vorlander, D., & H. Handswaldt — Axial Image* of Fluid Crystals 658 



Kossogonoff, J. J. — TJltramicroscopic Examination of Liquids during Electrolysis 658 



Bibliography 659 



Nelson, E. M.— A Micrometric Difficulty (Fig. 104) 696 



„ „ On the Resolution of New Detail in a Coscinodiscus asteromphalus 



(Fig. 105) 698 



Gifford, J. W. — Additional Refractive Indices of Quartz, Vitreous Silica, Calcite, 



and Fluorite "66 



Filon, L. N. G. — Measurements of the Absolute Indices of Refraction in Strained 



Glass 766 



Southall's Principles and Methods of Geometrical Optics 767 



(6) Miscellaneous. 



Chapman, F. — On the Microscopical Structure of an Inoceramus Limestone in the 



Queensland Cretaceous Rocks (Plate I.) 1 



Crawley, H. — Observations on Mammalian Blood with Dark-field Illumination .. 108 



Quekett Microscopical Club 108 



Zschokke, W. — Homogeneity of Optical Glass 244 



Spiers' "Nature through the Microscope" 244 



Qu ekett Microscopical Club 245 



Schaller, W. T. — Refractive Index of Canada Balsam 372 



Quekett Microscopical Club 518 



Herzog, A. — Diagnosis of Natural and Artificial Silks 659 



Anderson, J. A. — Method for Testing Screws 767 



Mylujs, F., & Groschuff — Micro- chemical Tests for Identification of Varieties of 



Glass 768 



Schneider, J., & J. Sourer. — Ultramicroscopic Examination of Colour* of Textile 



Fibres 770 



Nelson, E. M. — Examination in Microscopy 771 



Quekett Microscopical Club 771 



Bibliography 772 



B. Technique. 



CD Collecting Objects, including' Culture Processes. 



Hoffman, C, & B. W. Hammer — Two New Methods for Groioing Azotobacter in 



Large Quantities for, Chemical Analysis 109 



Levaditi, C, & V. Stanesco — Cultivation of Spirochseta gracilis and S. balanitidi* 110 



Esch, P. — Cultivating Meningococcus 110 



Russ, C. — Detection of Bacteria by means of an Electric Current (Fig. 17) .. -• 110 

 Feoktistow, A. — New Method for obtaining Pure Cultures from Whole Organs and 



Pieces of Tissues Ill 



Marino, F. — Aerobic Cultures of " Anaerobic" Organisms Ill 



Schekeschewsky, J. — Cultivating Spirochseta pallida Ill 



Hargitt, G. T.— Collecting Cozlenterata, and Observations on the Ova 112 



Banks, N. — Collecting and Preserving Insects 112 



Fawcds, H. B. — Modification of the Conradi Medium for Isolating Bacillus typhosus 



from Excreta 112 



Bibliography •• 113 



Laveran, A., & A. Pettit — Cultivation of Leishmania Donovani in Fluid Media 245 



Mayer, A. G. — Use of Magnesium in Stupefying Marine Animals 246 



Widakowich, V. — Method of Examining Embryos from the Maternal Tissues of the 



Rat 246 



Ogata, M. — Studying New Sporozoon in Rat fever 246 



