XXX iv CONTENTS. 



PAG E 



Hilgendorf's (F.) Auxanograph (Fig. 103) Part 4 646 



Chapman, F. T. — Slide for observing Soap-bubble Films (Fig. 104) .. .. „ 647 

 Schafer's (E. A.) Hot-water Circulation Stage and Swift's Regulator 



(Fig. 105) »i 649 



Bertrand's (E.) Refractometer „ 649 



Eternod's (A.) Drawing-board (Figs. 134-139) Tart 5 798 



Babes' (V.) Hot Stage (Figs. 140 and 141)' „ 800 



Chabry, L. — Capillary Slide and accessories for the examination of Ova 



(Figs. 142 and 143) ,, 801 



Beeke, F. — Measuring Corrosion Surfaces in Iron ryritcs (Fig. 144) .. .. „ 803 



Rowland's (W.) Reversible Compressorium (Fig. 145) ,, 803 



Beaumont's (C. R.) Reservoir Life-slide (Figs. 146 and 147) „ 804 



Holman's Current Slide > 806 



Stokes, A. Q.—Life Slides » 806 



Lamps for Microscopical Work 5 > 807 



Malassez, L. — Tubes for Microspectroscopic Analysis (Fig. 148) „ 807 



Koch's & Max Wolz's i?e/ector (^s. 169-172) Part 6 1025 



Nuttall's (G.) Warm Chamber (Fig. 173) , 1027 



Schonland, S. — Modification of Pagan's " Growing Slide " (Fig. 174) .. „ 1028 



(4) Photomicrography. 

 Israel (O.) & Stenglein's (M.) Photomicrographic Microscopes (Figs. 19 



and20) Parti 115 



Stegemann's (A.) Photomicrographic Camera (Fig. 21) „ 116 



Marktanner's (T.) Photo-micrographic Cameras (Figs. 22 and 23) .. .. „ 117 



Smith, G., Nelson's Photomicrographic Focusing Screen „ 119 



Lehmann, O. — Photomicrography of Chemical Preparations Part 2 293 



Neuhaus's (R.) Photomicrographic Camera (Fig. 56) , 293 



Steins's (S. T.) " Large Photomicroscope (Fig. 57) „ 295 



Truan, y Luard A., & O. N. Witt — Photomicrographs of Diatoms .. „ 295 



Leitz's small Photo-micrographic Apparatus (Fig. 106) Part 4 650 



Plossl's Focusing Arrangement (Fig. 107) „ 651 



Capranica, S. — Lnstantaneous Photomicrography „ 651 



Btjrstert's (H.) Photomicrographic Apparatus (Fig. 149) Part 5 808 



Neuhauss's (R.) Focusing Arrangement (Fig. 150) ,, 809 



Piersol, G. A. — Drawings v. Photographs. — Screen for the Abbe Camera 



Lucida » 809 



Stenglein, M. — Instantaneous Photomicrography „ 811 



Errera, L. — Photographing moving Microscopic Objects „ 812 



Fischer — Photographing phosphorescent bacilli by means of their own light .. „ 813 

 Exner, S. — Histological Structures and the Diffraction Theory (Plate TIL 



and Figs. 24-33) Parti 119 



Vescovi P. de — Method of Representing and Calculating the Magnification 



of Microscopic Objects in the projected images „ 135 



Ballinger, W. H. — Advantages of a Knowledge of the Theory of the 



Microscope Part 2 296 



Dudley, P. EL, & R. H. Ward-Fasoldt's Test-plates „ 298 



Dallinger, W. H. — Daylight or Lamplight for Microscopical Observation.. „ 302 

 Nelson, E. M. — Curious Interference Phenomena with Amphipleura pellucida 



(Figs. 58 and 59) „ 302 



Spectra of Pleurosigma angulatum „ 303 



JeseriCh's (P.) Photomicrographic Apparatus (Fig. 175) Part 6 1029 



Griffith's (E. H.) Photomicrographic Camera (Fig. 176) „ 1031 



Jeserich's (P.) Focusing Arrangement (Figs. Ill and 17S) „ 1031 



