CONTENTS. XXIX 



PAGE 



Mercer's Photo-micrographic Camera (Fig. lOG) .. .. Part 4 G25 



Photographing Bacillus tuberculosis j, 627 



Beck's"' Complete" Lamp {Fig. IQl).. , „ 628 



James' ' Aids to Practical Physiology ' „ 629 



Postal Microscopical Society ^^ 630 



Resolution of Amphipleura ,^ 631 



Home-made Bevolving Table „ 631 



Selection of Microscopes ,, 632 



Wenham's Button „ 633 



On Drawing Prisms (Figs. 120-2) Part 5 697 



Albertoiti's Micrometer Microscope (Fig. 123) ,, 793 



Baumann's Callipers with Movable Microscope and Fixed 



Micrometer {Figs. 124: and 125) „ 794 



Geneva Co.' s Microscope Callipers {Fig. 126) „ 796 



Griffith's Club Microscope „ 797 



Nachet's Class Microscope {Fig. 127) „ 797 



Nachet's Microscope with Large Field ,, 797 



Stephenson's Aquarium Microscope {Fig. 128) „ 798 



Swift and Son's Oxy hydrogen Microscope {Fig. 129).. .. „ 799 



Nelson' s Hydrostatic Fine Adjustment {Figs. 13Q-132) .. „ 800 



Griffith's Nose-piece {Fig. 133) „ 801 



Kellner Eye-piece with additional Lens as a Condenser , . „ 801 



Osborne's Diatomescope ,, 802 



Hardy's Collecting Bottle , 803 



Eye-piece Amplification ,, 804 



LUumination and Focusing in Photo -micrography .. .. „ 804 



Mitchell's Focusing Glass for Photo-micrography .. .. „ 805 



Photo-micrography in Legal Cases {Fig. 13i) „ 806 



American Society of Microscopists ,, 808' 



Health Exhibition „ 808 



Objective Changers „ 809 



BUhe's Microscopical Lamp „ 810 



Microscope Tube-length , 811 



Plane Mirror for Microscope „ 811 



On some Photographs of Broken Diatoms taken by 



Lamplight Part 6 853 



Japanese Microscope (Fig. 14:5) .. ,. ,, 953 



Schieck's Corneal Microscope {Fig. liG) „ 954 



Zeiss's No. X. Microscope {Fig. 141) .. ,, 954 



Wray's Microscope Screen {Fig. 148) ,, 956 



Abbe's Micro-spectroscope {Figs, \4Q-151) ' „ 957 



Engelmann's Micro-spectral Objective {Fig. 152) ,. ,. ,, 958 



Mayall's " Stepped" Diagonal Backwork (Figs. 153-4) .. „ 958 



Fasoldt's Nose-piece {Fig. 155) „ 959 



Spencer's Dust-protector for Objectives „ 959 



Swift and Son's Goniometer Stage {Fig. 15&) ,, 960 



Hartnack's Goniometer Stage {Fig. 157) ,, 960 



Osborne's Diatomescope {Fig. 158) „ 961 



Wallich's Condenser {Fig. 159) 963 



Cells for Minute Organisms „ 963 



Stokes's Spark Apparatus {Fig. IQO) .. .. ,, 964 



