RECORDS OF MEETINGS. 821 



shall take place in the manner prescribed for Resident Fellows, 

 except that the nomination papers shall be signed by at least 

 seven members of the Council before being presented to the 

 Academy." 



It was then 



Voted, To meet on adjournment April 11, 1906. 



Professor M. L. Fernald gave a communication on "Soil and 

 Climatic Control of Plant Distribution in Eastern America." 



Professor Barrett Wendell spoke on the " Universities of 

 France." 



The following papers were presented by title : — 



" On the Conditions to be satisfied if the Sums of the 

 Corresponding Members of two Pairs of Orthogonal Functions 

 of x and y are to be themselves Orthogonal." By B. O. Peirce. 



" On the Correction for the Effect of the Counter Electromo- 

 tive Force of a Moving-Coil Galvanometer used Ballistically." 

 By B. O. Peirce. 



" The Accuracy of Musical Taste with Respect to Architec- 

 tural Acoustics." By Wallace C. Sabine. 



" Variation in Reverberation with Variation in Pitch." By 

 Wallace C. Sabine. 



" Athenian Lekythoi with Outline Drawing in Glaze Varnish 

 on a White Ground." By Arthur Fairbanks. Presented by 

 John H. Wright. 



" A Theory of Thermo-Electric Action." By Edwin H. Hall. 



" Studies in the Eupatorieae. I. Revision of the Genus 

 Piqueria. II. Revision of the Genus Ophryosporus. III. The 

 Genus Helogyne and its Synonyms. IV. Diagnoses and Syn- 

 onymy of Eupatorieae and of Certain Other Compositae which 

 have been classed with them." By B. L. Robinson. 



Nine hundred and sixty-fifth Meeting. 



April 11, 1906. — Adjourned Stated Meeting. 



The Academy met at its house, 28 Newbury Street. 

 Vice-President Trowbridge in the chair. 

 There were present twenty-four Fellows. 



