RECORDS OF MEETINGS. 539 



" The Transition Temperature of Manganous Chloride : A New 

 Fixed Point in Thermometry." T. W. Richards and F. Wrede. No- 

 vember, 1907. 



"Difference in "Wave-Lengths of Titanium AX .3900 and 3913 in 

 Arc and Spark." N. A. Kent and A. H. Aver}-. November, 1907. 



"Note on Some Meteorological Uses of the Polariscope." L. Bell. 

 March, 1908. 



At its meeting of Jan. 8, 1908, the Committee, at the request of the 

 Librarian, voted an appropriation of $50 for the binding of books and 

 periodicals relating to light and heat. 



The Committee is endeavoring to make a complete list of all appa- 

 ratus purchased in past years through appropriations from the Rum- 

 ford Fund, and hence at present the property of the Academy, to the 

 end that such apparatus, if suitable, may be available for purposes of 

 research in the future. 



Charles R. Cross, Chairman. 



May 13, 1908. 



Report of the C. M. "Warren Committee. 



The C. M. Warren Committee beg leave to report that grants have 

 been made during the past year to the following persons, in aid of the 

 researches specified : — 



Dr. Frederic Bonnet, Jr., "Worcester Polytechnic Institute . $150 



"The Effect of Lanthanum, Cerium, and Neodymium Oxides 

 upon Porcelain Glazes, especially as regards their Electrical 

 Conductivity." 



Professor James F. Norris, Simmons College 250 



"A Study of the Structure of Triphenyl Methyl." 



The work of Professor J. Bishop Tingle on the "Study of the Action 

 of Certain Secondary Amines on Camphoroxalic Acid," to aid which 

 research a grant of §50 was made by the Warren Committee in 1907, 

 has been published in the American Chemical Journal, and acknowl- 

 edgment made in the paper for the grant received from the Warren 

 Committee. 



A report of the progress made has also been received from Dr. Fred- 

 eric Bonnet, Jr., and the result of his investigations will, it is hoped, 

 be published the coming year. 



Leonard P. Kinnicutt, Chairman. 

 May 13, 1908. 



