Contents xiii 



PAGES 



scales— Palates — Sections of hairs and quiUs — Small fine 

 hairs — Horns, hoofs, whalebone, and claws — Decalcified 

 bones— Muscular fibres 201-205 



LESSON XII. 



CLEANING AND MOUNTING DIATOMS, POLYCYSTINA, AND 

 rOEAMINIFERA. 



Cleaning diatoms growing upon algae or shells — To clean fossil 

 diatomaceous deposits — To clean living diatoms — To clean 

 polycystina — To clean foraminifera — Mounting diatoms in 

 Canada balsam — Unseleoted polycystina, transparent and 

 opaque — Selected diatoms and polycystina — Foraminifera, 

 unselected transparent and opaque mounts — Spicules of 

 Gorgonia — Spicules of Alcionium — Sponges to show ceU 

 structures — The skeleton — Sections of sponges — Collecting 

 and preparing foraminifera, Mr. A. Earland's method - 206-220 



LESSON XIII. 



DRY MOUNTS. 



Opaque cells — Transparent cells — Opaque mounts of Pollens - 221-222 

 LESSON XIV. 



FINISHING OFF SLIDES. 



Canada balsam — Quick method — Exposure method — Glycerine 

 jelly — Farrant's medium — Dry mounts — Cleaning off 

 failures - 222-224 



PAET III. 



MICROTOMES : THEIR CHOICE AND USE — INTRODUCTION 225 



CHAPTEE I. 



RAZORS FOR HAND SECTION CUTTING AND MICROTOMES. 



Eazors — The hone — The strop — Microtomes — Schanze's cheap 

 microtome — British microtomes — The Cambridge rocking 

 microtome — The Del^pine microtome — Thoma's microtome 

 — Becker's Spengel and other microtomes — Eeichert's 

 microtomes — Leitz's microtomes — Sliding microtomes with 

 automatic feed arrangement — Minot microtome, its action 

 and capabilities — Eeinhold-Giltay microtome, its feed adjust- 

 ment and advantages — Schanze's Model ' B ' microtome, its 



