CONTENTS. XXXV11 



PAGE 



Nelson, E. M. — On the Limits of Resolving Power for the Microscope and Telescope 521 

 Rheinberg, J. — On the Influence on Images of Gratings of Phase- Differences amongst 



their Spectra 532 



Gaidukov, N. — Ultramicroscopical Examination of Plant-cells 608 



Blackwell, H. L. — Dispersion in Electric Double Refraction 608 



Lambert, P. — Arrangement for Simultaneously Obtaining Minimum Deviation with 



Several Prisms 608 



Conrady, A. E. — Note on an Early Criticism of the Abbe Theory 645 



Bibliography 721 



Gordon, J. W. — On the Use of a Top Stop for Developing Latent Powers of the 



Microscope 748 



(6) Miscellaneous. 



Duncan, F. Martin — Cinematograph and Microscopy .. 100 



Gordon, J. W. — Advances in Microscopy : the Microscope at Work 227 



„ „ The Microscope adapted to Special Duty 228 



Quekett Microscopical Club 229 



Quekett Microscopical Club .. . . 370 



Moeller, Josef, & Andrew L. Wilton — Microscopy of Vegetable Foods . . . . 371 



Bibliography 371 



Cobb, N. A. — Construction and Fittings of a Microscope Room (Figs. 60-62) . . . . 496 



Beck, R. & J. — Gotch Ophthalmic Spinthariscope (Fig. 71) 609 



Bibliography 610 



Stokes, A. v_.— Notes on the Markings of the Wing-Scales of a certain Butterfly .. 648 



Principles of Microscopy : being a Handbook to the Microscope 722 



Nelson, E. M. — Note on Sir A. E. Wright's Resolving Limit 724 



Lebrun, H. — Application of the Method of Rotary Disks to Microscopical Technique 725 



Mounting Stereoscopic Views 726 



Quekett Microscopical Club 727 



B. Technique. 



(1) Collecting Objects, including- Culture Processes. 



Furntrat, K. — Endo's Fuohsin Agar 101 



Gaehtens, W. — Modification of Endo' s Medium 101 



Rogehs, L. A. — Electrically-controlled Low Temperature Incubator (Figs. 13-15) .. 102 

 Monti, Ed. — Observations on the Drigalski-Conradi Method of Diagnosing Typhoid 



Bacilli " .. .. 103 



Trapani — New Method for Differentiating Earth's Bacillus from Pseudo-typhoid 



and Colon Bacilli 104 



Schottelins, Ernst— Technique of the Gruber- Widal Reaction 104 



Turro, R. — Glucose in Pneumococcus Cultures 104 



Birt, C. — Caffein Enrichment Method 104 



Bibliography 104 



Rodella, A. — Differentiation of the Bacillus putrificus 230 



Weil, P. Em i le — Culture of Bacillus leprx 230 



Cache, A. — Magnesium Phosphate in the Preparation of Media 231 



Conradi, H. — Early Diagnosis of Typhoid Fever 231 



Dudgeon, L. S. — Neio Method of 1 Hferentiating Bacillus typhosus and Bacillus 



coli " 231 



Wilson, H. S. — New Method of Isolating Bacillus typhosus from Infected Water .. 232 



Murillo, P. — Method for keeping Cultures alive indefinitely (Fig. 33) 232 



Bibliography 233 



Beauchamp, P. de — Collecting Rotifera 371 



Glillemard, A. — Cultivation of Anaerobic Organisms applicable to Water Analysis 



(Fig. 48) 372 



Bronstein, J. — Vessel for Receiving Blood (Fig. 49) .. 373 



„ ,, A pparatus for Intravenous Injection (Fig. 50) 373 



Venema, A. T. — Detection of Bacillus coli in Water 374 



Bubecke — Rapid Filtration of Nutrient Agar 374 



Anzilotti, J. — Cultivation of Bacillus Tuberculosis on Potato 374 



Perotti, R. — Cultivation of Azotobacteria 374 



Forster, J. — Method of detecting Bacillus Anthracis in the Blood and Tissues .. 374 



Morgan, H. de R. — Isolating Intestinal Bacteria 365 



