Contents xiii 



PAGES 



scales Palates Sections of hairs and quills Small fine 

 hairs Horns, hoofs, whalebone, and claws Decalcified 

 bones Muscular fibres - - 201-205 



LESSON XII. 



CLEANING AND MOUNTING DIATOMS, POLYCYSTINA, AND 

 FORAMINIFERA. 



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 Unselected polycystina, transparent and 

 opaque Selected diatoms and polycystina Foraminifera, 

 unselected transparent and opaque mounts Spicules of 

 Gorgonia Spicules of Alcionium Sponges to show cell 

 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 



PAKT III. 



MICROTOMES I 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 Delepine 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 



