[Page 87]: added missing closing parenthesis "(and that too of such a Density to make them continue shining)."
[Page 90]: "necesary" changed to "necessary" (Boyle also made many experiments to show that air was necessary for the life of animals ...)
[Page 93]: changed "thermo-couple" to "thermocouple" (using a thermocouple as the measuring instrument)
[Page 94]: "D" changed to "B" (placed in a large Dewar flask (B) filled with water)
[Page 94]: "Thermo-couples" changed to "Thermocouples" (Thermocouples (L and M) of advance...)
[Page 97]: "thermo-couple" changed to "thermocouple" (Readings of each thermocouple on the galvanometer scale ...)
[Page 100]: changed "McKenny" to "McKenney" (McKenney (1902) found also ...)
[Page 102]: changed "misceable" to "miscible" (insoluble in water but miscible with it)
[Page 103]: "demontrate" changed to "demonstrate" (I have been unable to demonstrate their existence in luminous bacteria;)
[Page 104]: "thermolable" changed to "thermolabile" ( ...and a thermolabile complement (alexin) are necessary.)