Transcriber’s Note:
Minor errors (e.g. misprinted, missing, or extra punctuation, missing spaces) have been corrected without note. Inconsistent hyphenation (e.g. life-time and lifetime) and spelling (e.g. bark and barque) have not been changed. Other than those noted below, errors in the Index have not been corrected.
The following corrections and changes were made:
[p. 5]: luminifereous to luminiferous (luminiferous ether)
[p. 6]: recepient to recipient (while the recipient)
[p. 12]: indestructable to indestructible (indestructible atom was arrived at)
[p. 18]: conbustion to combustion (the combustion of tissue in the lungs)
[p. 20]: phycho to psycho (distinguish it as psycho-ether)
[p. 29]: Froisart to Froissart (Froissart was not more garrulous)
[p. 34]: Incomprehensively to Incomprehensibly (Incomprehensibly great)