16 CONTENTS. 



CHAPTEE VIII. 



A Word or two on Volumetric Analysis . . . 318 



Apparatus necessary 320 



Analysis of Urea, etc 325 



Analysis of Sugar, etc 332 



Preparation of Urinary Constituents 339 



APPENDIX. 



Names and Address of Dealers in Microscopes, Object- 

 ives, etc., Alphabetically Arranged .... 341 



The Investigator Microscope 345 



International Microscope Stand, 348 



Prices of Accessories 352 



SUPPLEMENT. 



Contributions to the Cincinnati Medical News . . 358 



High Angles . 359 



Angular Aperture and Central Illumination . . . 361 



On the Performance of Objections 368 



Angular Aperture once More 370 



The use and abuse of the Microscope .... 375 



A Chapter on Elementary Physics , 393 



Choice of Objectives .,,..... 397 

 Microscopical Examinations of Oleomargarine . . .400 



