XII TI,LL'S1"R 



I'ii;, 136. Case fcr protecting Sqiieegee-plalcs 



from Dust and Scratches 149 



137. Baclciiuin triloculare, Ehrenberg's first 



ligurc 166 



13S. Bacterium triloculare. Ehrenberg's sec- 

 ond figure 769 



139. Bacterium teruio, figured by Cohn 170 



140. Dallingcr and Drysdale's conception of 



Baclcrium termo 770 



141. Terino-\\ke Organism obtained by 



throwing Beans into Water 170 



ATKJXS. 



Page. 

 FjG. 142. Irls-rhizome-rot ; Crowded Agar-plate 



after 45 hours at 25° C 179 



143. Iris-rhizome-rot; Thin Sowing on Agar 



at end of 4 days ; temperature 25'^ C. . iSo 



144. Bacillus aroidcae grown on Agar-plate 



at 37° to 38° C 182 



145. Bacillus aroidcae grown on Agar-plate 



at25° C 183 



146. Apparatus for Gradual Substitution of 



Alcohol for Water in Tissues 184 



