
LIST OF ILLUSTRATIONS 
WOODCUTS 
PAGE 
Fic. 1. Jeffries Wyman’s Apparatus for Calcining the Air. 88 
5 2. Plugged Flask with charged Liquor Potassee Tube . 134 
; »  3- Burette Tube for Measuring Liquor Potasse . 4136 
i » 4. Mode of charging Liquor Potassee Tubes : bs. 439 
4 » 5+ Lipped Measure : . Iq! 
F » 6. Sealed Retort containing pre Tguat Beate 
: Tube-. « ‘ 143 
7 » 7.» Retort with Platinum Eictaaces for parent of 
Oxygen : ; : : = ba6 
E 5, 9. Pasteur’s Double Tube. ; 175 
oT! 59. Micro-organisms obtained from sence ii 
4 Infusions : : : ‘ 199 
> lo. Fungus Mycelium saa Torule from cine Reve 
Hay Infusions ; . » ~ 203 
| 5, 11. Tyndall’s Experimental ‘Chamber ; x § 932 
| » 12. Simple Experimental Tube, showing Deposit of Silica 
after the Solution has been heated . : ee i 
PLATES 
FACING PAGE 
PLATE I. Bacillus Spores, with Bacteria, Bacilli, Torulee, 
; and Fungus Spores, whose Thermal Death- 
point must be known (Figs. 1, 3,3; 7 ae ' 70 
re II. Organisms from Saline Solutions in Plugged | 
Flasks, previously heated to 100° C. for ten 
minutes (Figs, 5,6, 7) . ; 253 
= III. Other Organisms from Saline Solutions in Pieees 
Flasks, previously heated to 100° C. for ten 
minutes (Figs. 8,9, 10) . : : a oe 
xl 

