| Typographical errors corrected by the etext transcriber: |
|---|
| that their less curvaturos=> that their less curvatures {pg 114} |
| as fast as it it formed.=> as fast as it is formed. {pg 180} |
| Russian invesigator showed=> Russian investigator showed {pg 240} |
| quantities of axygen=> quantities of oxygen {pg 254} |
| unless artificial air can be procured=> unless artificial aid can be procured {pg 303} |