XXXll 
CONTENTS. 
PAGE 
Klein, E . — Morphologij of Streptococci Part 6 762 
Babes, V., Prior, Levy, Kowalski, Ribbert, & Marmerek — Bacteria 
of Influenza „ 762 
Vaillard — Streptococcus and Influenza „ 765 
Almquist, E . — Bacteria xoith Mijcele „ 765 
Pansini, S . — Influence of Sunlight on Micro-organisms „ 765 
Gasperini, G. — Morphology and Biology of Streptothrix Foersteri Cohn .. „ 766 
UowDESWELL, G. E. — Phases in the Development of the Cholera Microbe .. „ 766 
ScHMELCK, L. — Bacteriological Examination of Drinking Water in Christiania „ 767 
Bonome, a., H. Buchner, & others — Germicidal Action of Blood .. .. „ 767 
Koch’s (R.) Remedy for Tuberculosis „ 768 
Bibliography „ 772 
MICROSCOPY. 
a. Instruments, Accessories, &c. 
(1) Stands. 
Mirand’s & Klonne’s & Muller Microscopes with revolving stages 
Nobert’s (F. a.) Micrometer- Microscopes (Figs. 1 and 2) 
Old JMicroscope with nose-jnece for rapidly changing objectives and miri'or 
formed of a silvered bi-convex lens (Figs. 3-5) 
Rousselet’s (C.) Simple Tank Microscope (Fig. 6) 
Duboscq’s (Jules) Photographic Microscope (Fig. 16) 
Leibiann’s (0.) Microscope for heating objects at definite temperatures (Figs. 
17 and 18) 
„ „ Large Crystallization Microscope (Figs. Id-TV) 
Konkoly’s (N. V.) Microscopes for the Cameras of Telescopes (Figs. 22-2-1) 
Boys’ (C. V.) Microscope Cathetometer (Fig. 25) 
IIbbiler’s (O.) “ Bacteria Microscope'' (Fig. 30) 
Blackhall’s (W.) Simple Microscope with Multiple Illuminator (Figs. 31 
and 32) 
IIeyde’s (G.) Microscopes for Theodolites (Figs. 33-35) 
Braham’s (P.) Universal Microscope (Figs. 50-53) 
Domergue, Fabre — Dumaige’s “ New Model of Microscope " 
Hart’s (C. P.) Microtome- Microscope (Fig. 54) 
Kayser — Alterations in Nobert's Microscope 
West, C. E . — Early Binocular Instruments 
Bibliography 
>> 
Part 1 
86 
86 
„ 88 
„ 90 
Part 2 231 
„ 232 
„ 234 
„ 236 
„ 238 
Part 3 379 
Part 4 
Part 5 
Part 6 
380 
380 
501 
504 
504 
506 
547 
659 
774 
(2) Eye-pieces and Objectives. 
CzAPSKi, S. — On an Objective with an Aperture of 1-60 N.A. (Monobromide 
of Naphthaline Immersion) made according to the Formulse of Prof. 
Abbe in the Optical Factory of Carl Zeiss ., 
Heurck, H. Van — New Objective o/ 1’63 N.A 
Nelson, E. M. — Semi-apochromatic Objectives 
Tolles’s (R. B,) Binocular Eye-pieces (Figs. 36-41) 
Mayall, J., jun. — Report on the new Objective 
Godfrey, J. — The Achromatic Object-glass 
“ F.R.M.S.” — The Jena Lenses 
Fellenberg, E. V. — Fluor-spar at Oltscheren 
Schott — On Glass-smelting for Optical and other Scientific Purposes .. 
Part 1 
Part 3 
Part 4 
Part 5 
Part 6 
11 
91 
92 
383 
542 
659 
660 
661 
774 
