XXii CONTENTS. 



PAGE 



Method of Preserving the more delicate and perishable 



Animal Tissues No. 4 461 



Preparation and Preservation of the Lower Organisms . . „ 462 



Another Method of Preserving Bacteria, SfC „ 464 



Mounting Noctiluca miliaris „ 464 



Searching for Trichinae ,, 465 



Method of Studying the Structure of Vegetable Matter . . „ 465 



Thin Stages „ 465 



Contrivance for Holding Objects beneath the Stage. (1 fig.) „ 466 



New Microtome {b figs.) „ 466 



Electrical Mounting Table. (5 figs.) ,, 469 



English Microscope for Students of Mineralogy and Petro- 

 logy 0- fig.) » 470 



Female Microscopical Society ... „ 472 



Oblique Illumination „ 473 



Limits of Accuracy in Measurements with the Microscope . . „ 473 



Royal Society Conversazione „ 473 



Corrosion as a Histological Method. {Plate XIX.) .. .. No. 5 610 



Staining-fluids ,, 612 



Br. Seiler's Staining Processes „ 613 



Isolation of the Optic Nerve Fibres and Ganglion Cells of the 



Mammalian Retina „ 614 



Preparation of Diatoms in situ : means of avoiding Air- 

 bubbles „ 616 



Mechanical Turntables „ 616 



Lmproved Turntables. (2 figs.) „ 617 



Large Micro-pihotographs „ 619 



Br. Sorby at Cambridge ., „ 619 



Unit of Micrometry ,, 620 



Formation of the Paraboloid as an Illuminator for the 



Microscope. (3 figs.) „ 620 



Black-Ground Illumination „ 623 



Rotating Clips for Cheap Microscopes. (1 fig.) „ 623 



Contrivance for holding Objects beneath the Stage .. .. „ 624 



Method of preserving Infusoria, ^c No. 6 763 



Hcematoxylic Eosin and its employment in Histology .. .. „ 764 



Brosicke's Staining Method „ 764 



Method of examining Living Cells of Larva of Newt .. .. „ 765 



Vndescribed Microscopes {Nachet's). (Ji figs.) ,, 765 



Novel Method for Focussing „ 767 



Roy Microtome. (1 fig.) „ 768 



Woodward's Oblique Illuminator. (2 figs.) „ 769 



Improvements in Microphotography ,, 772 



Modern Applications of the Microscope to Geology .. .. „ 773 



Adams' Measuring Polariscope „ 774 



Homogeneous Immersion „ 774 



Hamilton Smith's " Universal Apertometer." (10 figs.) . . „ 775 



Measuring Aperture „ 781 



Woodvjard's Apertometer. (1 fig.) „ 781 



Microscopical Researches in High-power Befinition .. .. „ 784 



Soap as an Embedding Substance No. 7 940 



