XXX11 
CONTENTS. 
PAGE 
Dallinger, W. H. — Pijfard’s Method for Increasing the N.A. of Immersion Lenses 413 
Piffard, H. G., & W. H. Dallinger — A Suggested Method of Increasing the N.A. 
of Old Achromatic Object-glasses 518 
Houlbert, C . — Researches on the Optical Properties of Wood (Figs. 50-54) .. .. 519 
Nelson, E. M . — Simple Method fur Measuring Refractive Indices of Mounting and 
Immersion Media 655, 771 
Rontgen, W. G . — Experiments with a Right-angled Prism 742 
(6) Miscellaneous. 
The late Dr. Kiitzing 118 
Prof. A. Milnes Marshall 118 
Prof. P. J. Van Beneden 118 
Nelson, E. M . — Measurement of Light and Colour Sensations 119 
Patents for Inventions .. 120 
Nelson, E. M. — Lovibond's Coloured Screens 138 
Gifford, J. W . — Inexpensive Screen for Monochromatic Light 141, 16+ 
Liverpool Microscopical Society 264 
Microscopical Society of Calcutta 264 
The late Mr. C. Haughton Gill, F.R.M.S 264 
Bedot, M . — The late Prof. Fol 395 
Pound, C. J . — Stock Institute of Queensland 415 
Giltat’s (E.) Introduction to the Study of Microscopy 522 
Behrens’ (H.) Micro- Chemistry 522 
A Little Diversion 523 
Cox, Jacob D . — Plea for Systematic Instruction in the Technique of the Microscope 
at the University 627 
Castracane, A. F . — Stereoscopic Vision applied to Diatoms 628 
The late Mr. G. E. Blenkins, F.R.C.S. 742 
„ Mr. F. R. Cheshire .. , 743 
Sauger — Removal of Rust from Instruments 743 
/ 3 . Technique. 
Lee, A. Bolles — Microtomist’s Vade-Mecum 120 
Nabias, B. de, & J. Sabraz^s — Several Points of Histological and Bacteriological 
Technique 121 
Marek, J . — Hints in Bacteriological Technique 265 
Bachmann, O . — Manual of Microscopical Technique 266 
Piersol’s Histology 266 
Del Rio y Lara, D. Luis — Manual of Technique .. .. . 396 
Humphrey, J. E. — Zimmermann’s Botanical Micro-technique 523 
Miller — Short Notes on Bacteriological Technique 524 
Acosta & Grande Rossi — Bacteriological Technique 524 
Cl) Collecting 1 Objects, including- Culture Processes. 
Cori, C. J. — Stage-Aquarium (Fig. 12) 121 
Koch, A . — Apparatus for Regulating the Temperature of Hatching-Ovens (Fig. 13) 122 
Ogata, M . — Cultivating Protozoa 123 
Beneke — Puncture Cultivations 124 
Schweinitz, E. A. de — Culture Media for Biochemic Investigations 124 
Muller, K . — Inoculation Apparatus for Rats and Mice 125 
Schepilewsky, E. A. — Hot-water Thermostat with Automatic Regulator (Fig. 14) 125 
Wichmann, H . — Cultivating Ascospores 127 
Sanarelli, J . — Cultivating Vibrios 127 
Novy, F. G . — Cultivation Media for Anaerobic Bacteria 127 
Schlosser, H. — Urine-Agar for Cultivating Diphtheria Bacillus 128 
Voges, O . — Growth of Cholera Bacilli on Potato 128 
Abel — Isolating Bacillus of Diphtheria from Toys 128 
Lunkewicz, M . — Quadrangular Culture- Capsules 266 
„ „ Cold Stage 266 
Behrendsen’s Steam Sterilizer 266 
