LIST OF ILLUSTRATIONS. 



Page 



Thomas's Dehydrating Apparatus (plate) . . i 



Bausch Micrometer Gauge (plate) 25 



Olfactory Lobe in the Canidje (plate) 49 



Dr. Koch in his Laboratory (plate) 73 



Pure Culture of Tuberculous Bacilli (figure) 74 



B. Tuberculosis from Fresh Mucus (figure) 75 



B. Tuberculosis after 14 days (figure) 75 



Culture of Cholera Germs (figure) 77 



Culture of Tuberculosis Germs (figure) 77 



Action of the Compound Microscope (figure) 95 



Relation between Microscope and Telescope (figure) 96 



Diatoms (plate) 97 



Diatoms (plate) ... 121 



Rotifers (plate) 145 



Photo-Micrographic Stands (figures) 151 



Griffith Club Microscope (figure) 157 



Graduations of Density in Photo-Micrography (plate) 169 



Slide for Testing the Antiseptic Power of Electricity (figure) 204 



Trichina Spiralis in Deltoid Muscle (plate) . ^ 217 



Trichina Spiralis in Pork (figure) 21S 



Stauroneis Phoenicenteron (figure) 220 



Grapho-Prism (plate) . . ; 265 



Oberhauser's Grapho-Prism (figure) . 266 



