110 Proceedings of the Royal Society of Victoria. 



I. — Experiments with Pure Water in both Spiral 

 Calorimeter. 



Weight of water in Calorimeter = 497"5 grams. 

 Mean value of W = 552-12. 



II. — Experiments with a Mixture of Methyl. Spirits and 

 Water in Calorimeter ; Pure Water in Spiral. 



* Weight of liquid in Calorimeter for 1 and 2 was 549-64 grams ; weight 

 of liquid in Calorimeter for 3 and 4 was 547-91 grams. 



