The Period from 1881 to 1890 29 



no formal title, but discussed defects in attitudes and methods of scientists. 

 (Vol. 34, pp. 1 -2 1.) 



H. A. Newton (mathematics) delivered his address as retiring president 

 at the meeting held at Buffalo, New York, in August, 1886. Although there 

 was no formal title to his address, the subject was Meteorites. (Vol. 35, pp. 

 1-18.) 



E. S. Morse (zoology), retiring president at the meeting held at New 

 York in August, 1887, delivered an address without formal title, but the 

 general subject was Variation. (Vol. 36, pp. I_ 43-) 



S. P. Langley (physics), at the meeting held at Cleveland, Ohio, in 

 August, 1888, delivered his address as retiring president on "The History of 

 a Doctrine" (radiant energy). (Vol. 37, pp. 1-23.) 



J. W. Powell (geology) chose as the subject for his address as retiring 

 president at the meeting held at Toronto, Ontario, in August, 1889, "Evolu- 

 tion of Music from Dance to Symphony." (Vol. 38, pp. 1-21.) 



T. C. Mendenhall (physics), retiring president at the meeting held in 

 Indianapolis, Ind., in August, 1890, delivered his retiring presidential ad- 

 dress on "The Relations of Men of Science to the General Public." (Vol. 

 39, pp. 1-15.) 



Addresses of Vice Presidents of Sections and of Others 1 



The Cincinnati Meeting, August, 188 1. ( Vol. 50) 



1. Address of chairman of Subsection of Entomology. John G. Morris 

 (historical). 



2. Address of chairman of Subsection of Anthropology. Garrick Mallery : 

 "The Gesture Speech of Man." 



3. A Lawgiver of the Stone Age. Horatio Hale. 



At this meeting the Standing Committee voted that beginning with the 

 following meeting only abstracts of papers (other than those of officers) 

 would be printed in the Proceedings, except in special cases in which a sec- 

 tion might request that a paper be printed in full. 



After this meeting the work of the Association was carried on in nine 

 sections, each with a vice president, one of whose duties was to deliver an 

 address to the section over which he presided. The nine sections were : 

 Mathematics and Astronomy (A), Physics (B), Chemistry (C), Mechan- 

 ical Science (D), Geology and Geography (E), Biology (F), Histology and 

 Microscopy (G), Anthropology (H), and Economic Science and Statistics 



(I)- 



The Montreal Meeting, August, 1882. {Vol. 31) 



Mathematics and Astronomy. William Harkness (distance to the sun). 



1 When an address had no formal title its general subject is indicated in parentheses. 



