LIST OF WOODCUTS. XXSV 



FIGS. PAPERS AND NOTES ILLUSTEATED. PAGE 



110 — Mr. Shadbolt's Paper, " Further Eemarks on the Apertures 



of Microscope Objectives " Part 2 377 



111-13 — Prof. Abbe's Paper, "On the Estimation of Aperture in the 



Microscope" Part 3— 392, 397, 422 



H4_]5_Diatonis in Thin Kock Sections Part 3 507 



116 — Houston's Botanical Dissecting Microscope „ 514 



117 — Jaubert's Microscope „ 515 



US— Ve'rick's Skin Microscope „ 516 



119 — Watson's Microscope-Stand „ 517 



120— Bye Sliade for Mouociilars „ 518 



121 — Diagonal Eack-work and Spiral Pinion „ 518 



122— Sliding Stage Diaphragms „ 522 



123— Bonsfield's Rotating Diaphragm-plate „ 523 



124-5 — Hyde's Illuminator or Oblique Immersion Condenser . . . . „ 524 



126 — Graham's Compressorium „ 525 



127— Insect Cage „ 526 



128 — Abbe's Apparatus for demonstrating the Increase of Eadia- 



tion in Media of higher Refractive Index than Air . . . . „ 527 



129 — Deby's Improved Growing-slide „ 527 



130-33— How to make Wax Cells ,,539-40 



134— Test for Illumination „ 542 



135-6 — Ahrens's Erecting Binocular Microscope Part 4 652-3 



137-8 — Crossley's Microscope with Special Arrangement for Illu- 

 minating the Swinging Substage „ 654-5 



139 — Parkes's Child's Portable Compound Microscope „ 656 



140 — Silk-Mercer's Microscope „ 656 



141 — Sidle's No. 4 " Acme" Microscope ,, 657 



142 — Bakers Student's Stephenson's Erecting Binocular Microscope „ 658 



143 — Ve'rick's Dissecting Microscope ,, 659 



144-5 — Nachet's Objective Carrier „ 661 



146— Ve'rick's Objective "Extractor" „ 662- 



147-8— Smith's Object Plate and Finder „ 663-4 



149-50 — Wenham's Disk Illuminator „ 665 



151— Smith's " V-shaped Diaphragm " „ 666 



152— Botterill Life-slide „ 670 



153 — Hardy's Vivarium „ 671 



154 — Bartley's Warm-stage „ 673 



155 — Hiune's Frog-plate „ 674 



156-9 — Apparatus for Investigating Capillary Blood-pressure (in 



the Frog's Foot) „ 675-7 



160-1 — Illumination for Binocular Microscopes with High Powers ,, 691 



162-3— Hailes' Poly-microtome „ 697 



164 — Williams's Freezing Microtome „ 698 



165— Zeiss's Microtome „ 700 



166— Beck's " Ideal " Microscope Pai t 5 806 



167 — Cosson's " Dissecting " and " Observing " Microscope . . „ 807 



168 — Holmes's Class Microscope ,, 808 



169-70— Pocket Microscope ,,809-10 



171 — Swift's " Challenge " Binocular Microscope (C) „ 811 



172-4 — Ve'rick's " Goniometrical Microscope for Mineralogy " .. „ 812-13 



175-6 — Seibert and Kraft's Dissecting Microscope „ 814 



