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 Hydro- 

 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 Acitl." By Theodore William Richards and 

 Wilfred Newsome StuU. 



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 Ricliards 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. 



