INDEX. 211 



PAGE 



Starch, . . . - A . . . . . . 74 



Seeds, ; .; ' -.- .. .*., ,' r . > ^ , *;-, 76 



Sponges, . . . ,1. -. "'..$& - * 86 



Shells of mollusca, . . .'& ...,._ .. 91 



Scales of fish, . . . . . , .. * 92 



Skin, ...... v > ,* 99 



Spherical aberration, ..... 33, J10 



Scales of insects, . . . . . . 115 



Shells of infusoria, . . . . . 85,116 



Swammerdam's scissors, . . . . . 118 



mode of dissection, .... 121 



Secondary organic compounds, . . . . 130 



Scrofulous growths, ...... 142 



Syringe for minute injection, . . :<<rcn -- f \ ==. 159 



Stopping false light in microscopes, . . - * . 196 



Substitute for the concave speculum, . . . 200 



T. 



Trough for chara, &c , . . . . . . 37, 50 



Thin cells for delicate tissues, .... 59 



Teeth, . . . . . . 98 



Theory of life and sensation, .... 106 



Test objects, Dr. Goring's discovery of, . . \ 110 



character of, . . . . 114 



Tinea vestianella, ..... "^ 115 



Tables for examination of urinary deposits, . . 185 



of results of Dr. Gruby's observations, . . . 149 



U. 



Utility of the microscope in medicine, . . . 19 



Urinary deposits, . . . . . .169 



Urea, ....... 171 



Uric acid, ...... 169, 171 



Urate of ammonia, . . . . . 180 



soda, ....... 180 



