XIV Contents 



knife-carrier, object-holder, orientating and focusing arrange- 

 ments, and adjustments generally — Sohanze's Model ' C ' 

 microtome for cuttiag very thin sections — Addresses of 

 microtome makers 226-284 



CHAPTEE II. 



ACCESSORY APPARATUS. 



Selection of knives : Henking's, Jung's, Weikert's, and Thoma's 

 pattern knives and their special uses — Microtome knives in 

 sectional view — Knives necessary for beginners — Sharpening 

 knives, and the manner of holding — The hone, its surface and 

 selection — Process of sharpening — The strop and its prepara- 

 tion — Strop paste — Process of stropping — Testing the knife 

 edge — Infiltrating with paraffin — Baths and ovens — Infiltrat- 

 ing oven used by the writer — Gas regulators. Page's and 

 Beichert's, their methods of use 249-261 



CHAPTEE III. 



PRODUCTION OF SECTIONS. 



Gripping subjects for cutting — The use of elder pith and cement 

 — The freezing method — Celloidin embedding — Collecting 

 and preserving — Fixation — Testing methylated spirit — De- 

 hydrating and clearing — Final paraffin infiltrating bath — 

 Enclosing the infiltrated object within a cube of paraffin — 

 Cooling paraffin — Treatment of blocks of paraffin containing 

 embedded objects — Dehydrating — Melting points of paraffin 

 — Cutting sections with Schanze microtome — Treatment of 

 ribbon sections, stretching, mounting, and finishing — Stain- 

 ing in bulk — Books recommended — General treatment of 

 nuclear and eytological subjects — Processes recapitulated 262-285 



Index . 287-292 



