CONTENTS. XXXV 



(2) Eye-pieces and Objectives. 



PAGE 



Heurck, H. van — Modern Apochromatic Objectives (Figs. 13-19) 115 



Bibliography 117 



Leitz' Revolving Eye-pieces (Figs. 47 and 48) 249 



Ehrliuh's Eye-piece (Fig. 49) 250 



Leitz' Achromatic and Apochromatic Objectives (Figs. 50-52) 250 



„ Objectives for the Edinger Apparatus (Figs. 53-55) 251 



Bibliography 252,381 



Stringer, E. B. — A Neiv Projection Eye-piece and an Improved Polarising Eye- 

 piece (Fig. 145) 587 



Malassez — Eye-piece Diaphragms 630 



The Society's Standard Eye-pieces 718 



(3) Illuminating- and other Apparatus. 



Barnard, J. E.— Electric Microscope Lamp (Fig. 20) 118 



AVinton, A. L. — Micro-Polar iscope for Food Examination (Fig>. 21 aDd 22).. .. 118 



Watson & Sons' New Substage Condensers (Figs. 23 and 24) 119 



Keichert's New Projection Apparatus (Fig. 25) 120 



„ Large Projection Apparatus (Fig. 56) 252 



„ Medium Projection Apparatus ( Fig. 57) 253 



Beck's New Wide-angle Oil- Immersion Condenser (Fig. 58) 254 



Leitz' Bull's-eye Condenser (Fig. 59) 254 



(Iillett Achromatic Condenser (Fig. 60) 255 



Bibliography 255 



Zeiss' Projection Arc-Lamp (Fig. 91) 3S1 



„ Projection Apparatus (Figs. 92-95) 383 



Lothian Dissecting M icroscope and Table (Figs. 96 and 97) 386 



Reichert's Accessory Apparatus for Entomologists (Fig. 9S) 388 



O. Baker's New Achromatic Condenser (Fig. 129) 512 



Pulfrich, C. — New Refractometer with Variable Refractive Angle (Figs. 130-133) 513 



BIBLIOGRAPHY .. 516 



Abbe's Spectrometer (Figs. 156-159) 630 



Zeiss' High Temperature Spectrometer (Figs. 160-162) 633 



Rogers, G. H. J. — Modification of Rousselet's Compressor (Figs. 163 and 164) .. 635 



Bibliography 635 



Swift's Substage Condensers (Figs. 190-192) 718 



Cheyney, J. S. — Polarised Light without Iceland Spar (Fig. 193) .. 719 



(4) Photomicrography. 



Barnard, J. E. — Neiv Photomicrographic Apparatus 121 



Reichert's New Combined Apparatus for Drawing, Projection*, and Photomicro- 

 graphy (Fig. 26) 122 



„ Small Photomicrographic Apparatus (Fig. 27) 122 



„ Guide to Photomicrographic Apparatus 123 



Wallace, James — Cobalt Blue Glass in Photomicrography 255 



Bibliography 255 



Norman, Albert — Photomicrographic Notes 3SS 



Bibliography 389, 635 



Scott's Apparatus for Instantaneous Photomicrography (Fig. 194) 720 



(5) Microscopical Optics and Manipulation. 



Bibliography 255 



Abbe's Refractometer (Figs. 165-168) 635 



Zeiss' Educational Refractometer (Figs. 169-172) 636 



„ Immersion Refractometer (Figs. 195 and 196) 721 



„ Differential Refractometer (Figs. 197-201) .. .. 722 



