XXX 
CONTENTS. 
PAGE 
Klie, J. — Relative Growth of Bacterium typhi abdominalis and B coli commune in 
Gelatin Media 6(59 
Kister, J. — Meningococcus intracellularis 669 
IVIigula, W . — Capsules of Bacteria 670 
Leedham-Green, C. — Disinfection of the. Hands 670 
Crookshank, E. M. — Text-Book of Bacteriology 671 
MICROSCOPY. 
a. Instruments, Accessories, &c. 
(I - ) Stands. 
Hildebrand, H. E . — Practical Remarks on Microscope Construction (Figs. 1-7) .. Ill 
Zeiss’ Hand-Microscope ( Kig. 8) 114 
„ Stand IX. (Fig. 9) .. 114 
Beck’s Large “ Continental Model ” Microscopes (Figs. 10 and 11) 116 
Nelson, E. M. — Swift's Portable Microscopes 135 
Leiss, C . — Microscopes and their most important Accessories for Crystallographic 
and Petrograpliical Investigations (Kigs. 27-43) 232 
B eh kens, W . — Meyer s Microscope Stage w th Iris- Diaphragm 350 
Nelson, E. M . — New Portable Microscope (Fig. 60) 351 
„ „ Ross' Portable Microscope 368 
Wilpeman, E. de — Leitz's Microscopes 463 
Tatham, J . — Use of Ordinary Binocular for Dissecting 463 
New Microscope . . 560 
Barnes, C. R . — Horizontal Microscope 673 
(2j Eye-pieces and Objectives. 
Zeiss’ Apochromatics (Fig. 12) 118 
„ Screw Micrometer Eye-piece (Fig. 13) 119 
„ Eye-piece for Observing Axial Images (Fig. 14) 119 
Czapski’s Ocular Iris- Diaphragm with Dye-piece (Via;. 15) 120 
Fremont, C . — Microscope for Opaque objects (Fig. 16) 120 
Ouford, H . — A Modern Microscopic Objective 241 
Abbe’s Spectroscopic. Eye-piece (Figs. 4 l and 45) 241 
Francotte, P . — Determination of the Vocal length of Obje tives 242 
Zacharias, O. — Eye-piece with Iris Diaphragm 212 
Schiemenz, P. — Leitz new Drawing Eye-pieces (Figs. 61-65) 351 
Beck, C. — The Royal Microscopical Society Standard Screw-Thread for Nose-piece 
and Object- Glasses of Microscopes 389 
Cowl, W. — Eye-Piece with Graduated Iris-Diaphragm (Fig. 84) 5*10 
Goekzs New Double Objective (Figs. 85-87).. 560 
Kuznitzky, M . — Demonstration Eye-pvce (Fig. 91) 673 
(3) Illuminating- and other Apparatus- 
Zeiss’ Vertical illuminator ( Fig. 17) 121 
,, New Lens-holder (Figs. 18-20) 122 
Van Dyck, F. O . — Micropolariscope for Projection (Fig. 21) 1'3 
New Case for Microscopical Preparations (Kig. 22) 124 
Seiffert —New Clip for holding Cover-glasses (Fig. 23) 125 
Siiimer, P. W . — Microscopic Filter (Figs 24 and 25) 125 
Kaiser, W . — Apparatus for Electrolysis under the Microscope (Figs. 46-48) .. .. 243 
Love, E. G. — Micrometry (Fig. 49) 215 
Zeiss’ Stage Screw Micrometer (Fig. 50) 246 
Abbe’s Apertometer (Fig. 51) 247 
Hartnack’s Illuminating Apparatus for Monochromatic Light (Fig. 52) .. .. 217 
Behrens, VV. — Microscope-Stage with Iris-Diaphragm .. .. 243 
Haas, K.— Apparatus for Demonstrating the Effect of Lenses (Fig. 66) 353 
Nelson, E. M. — New form of Double Bull's-Eye Condenser 365 
