RECORDS OF MEETINGS. 695 



versity. New Series. — No. XXIV. (Papers from the Hop- 

 kins-Stanford Expedition to the Galapagos Islands.) By B. 

 L. Robinson. I. — " Flora of the Galapagos Islands." 



Contributions from the Chemical Laboratory of Harvard Col- 

 lege. " Concerning Gas-Analysis by Measurement in Constant 

 Volume under Changing Pressure." By Theodore William 

 Richards. 



Contributions from the Chemical Laboratory of Case School 

 of Applied Science. — XLIV. "A Method for Determining 

 the Index of Refraction of Solid Hydrocarbons with the Pul- 

 frich Refractometer. Index of Refraction of the Solid ILydro- 

 carbons in Petroleum." By Charles F. Mabery and Lee 

 Shepherd. 



Contributions from the Chemical Laboratory of Harvard 

 College. " The Significance of Changing Atomic Volume. 

 III. The Relation of Changing Heat Capacity to Change of 

 Free Energy, Heat of Reaction, Change of Volume, and Chemi- 

 cal Affinity." By Theodore William Richards. 



Contributions from the Chemical Laboratory of Harvard 

 College. " The Speed and Nature of the Reaction of Bromine 

 upon Oxalic Acid." By Theodore William Richards and 

 Wilfred Newsome Stull. 



Contributions from the Chemical Laboratory of Harvard 

 College. " The Range and Invariability of Faraday's Law." 

 By Theodore William Richards and Wilfred Newsome Stull. 



Contributions from the Chemical Laboratory of Harvard 

 College. " An Apparatus for the Measurement of the Expan- 

 sion of Gases by Heat under Constant Pressure." By Theo- 

 dore William Richards and Kenneth Lamartine Mark. 



Contributions from the Chemical Laboratory of Harvard 

 College. " The Transition Temperature of Sodic Sulphate re- 

 ferred anew to the International Standard." By Theodore 

 William Richards and Roger Clark Wells. 



