CONTENTS. XXXVll 



PAGE 



Ellis's (J.) Focusing Arrangement for Photomicrography {Fig. 246) .. .. Part 6 1028 



'S'EXiSOTs's (^.W.) Photomicrographic Focusing-screen , 1028 



Heukck's (H. tan) P/io^omcro^frajjAs „ 1068 



(5) Microscopical Optics and Manipulation. 



BoSTWiCK, A. E. — On a means of determining the Limits of Distinct Vision . . Part 1 158 



Cheistian, T. — Slide for testing Astigrnatism of the Eye „ 158 



MooEE, A. Y. — Gold-plated Diatoms ,, 160 



GuEBHARD, A., & V. Chiusoli — Magnifying Power of Dioptric Instruments . . Part 3 490 



Gage, S. H. — Care of the Eyes in Microscopy ,, 492 



Bartalini, G. — Method of determining the index of refraction tchen the re- 

 fracting angle is large Part 4 665 



Eesoltjtion of 200,000 lines to the inch „ 665 



James, F. L. — Using both hands ,, 667 



TuimiT of Visibility Part 5 827 



Heath's (R. S.) ' Geometrical Optics' — Measure of the Aperture of the Micro- 

 scope „ 828 



M'Kendrick, J. G. — Binocular Vision with the Microscope , 829 



Gage, S. H. — Microscopical Tube-length, its length in millimetres, and the parts 



included in it by the vatious opticians of the world {Fig. 247) Part 6 1029 



Nelson, E. M. — Measurement of Povjer „ 1032 



Hirst, G. D., & E. M. Nelson — Method of Intensifying the Resolving Poioer 



of Microscope Objectives „ 1033 



(6) Miscellaneous. 



Abbe, E. —Improvements of the Microscope with the aid of new kinds of Optical 



Glass Parti 20 



The New Glass „ 155 



DORST, H. F. — Errors of observation in reading divided instruments „ 155 



Carlisle Microscopical Society and Dr. Dallinger „ 156 



Cherubin d'Oeleans' ' ia Vision par faite' „ 157 



" D." — Value of the Microscope in Trade „ ] 57 



J AMES, F . Jj.- American Society of Microscopists — The Chautauqua Meeting .. „ 159 



Micro-Jurisprddence „ 160 



Matall, J., jun. — A Visit to Jena Part 2 322 



Microscopic Justice „ 325 



JuDD, J. W. — Relations between Geology and the Mineralogical Sciences .. .. Part 3 493 



Tn-EM-lCBiOSGOVEin the Legal Profession „ 493 



Captain W. Noble and this Journal „ 494 



Mayall, J., jun. — Inventing Magnifying Lenses „ 533 



Microscopical Society of Calcutta Part 4 667 



'RE\.Y)'S..T)KiAAT<iG'EB!s Presidential Address „ 668 



PuMPHEEY, W. — The Microscope in the Lecture- and Class-room „ 668 



Royal Microscopical Society of the Sandwich Islands Part 5 830 



MoELAND, H. — Cariosities of Microscopical Literature ,, 830 



ROGEES, W. A. — " The Microscope as a factor in the establishment of a constant 



of nature" Part 6 1034 



Fasoldt's (C.) -RM^m,'7s „ 1038 



Nageli and Schwendenee's ' The Microscope in Theory and Practice ' . . . . „ 1039 



Beatk of Mr. T. Bolton „ 1040 



Beezina, A. — New Goniometer of the I.R. Geological Eerchsanstalt ,, 1040 



Cope, E. D., & J. S. Kingsley — Wanted a Definition of a " Philosophical 



Instrument" „ 1040 



CuTTEE, E. — The Microscope and Old Age „ 1041 



