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(Continued from page 3 of Cover.) 
VOLUME 41. 
Two New Methods of Avoiding Error in Calorimetry; (2.) RicHarps, 
T. W., and Forngs, G. S. — The Constancy of Results obtained by one of the New Methods; 
h i an 
Ricuarps, T, W.—(1. 
May, 1905. 
essrs. CHURCHILL, CAMPBELL, and SERVISss. —\ Misaietieana of Va rious 
<ely Electrical Effects, especially the Thomson Effect, in Soft Iron. pp. ee 
40c. 
1905. 
tives. H. — The Scalar Functions of Hypercomplex Numbers. pp. 57-70. June, 1905. 20c. 
Baxter, G. P.—A Revision of the Atomic Weight of Iodine. Second Paper. pp. 71-85. 
25c. 
Mazery, C. F. —On the eH akc of Petroleum. —C. F. Mapery and W. O. QuayLe.—The 
Sulphur Compounds and Unsaturated Hydrocarbons in Canadian Petroleum. pp. 87-113. 
une, 1905. 30c. 
Rouwaxnes, T. W., and Marx, K. L. — Thermal eenrggky of Hydrogen and Carbon Dioxide un- 
der Constant esti pp. 115-140, June, 1905. 
-—A Re 
15- 
Jones, W. W. vision of the Genus Zexmenia. pp. S teeine June, 1905. 30c. 
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