lO WASHINGTON ACADEMY OF SCIENCES 



12. The Academy shall not be responsible for the cost of revising 

 manuscripts or illustrations. The cost of proof corrections due to 

 alterations made by the author shall be charged to him. 



14. Papers accepted for publication in the Academy's Proceed- 

 ings must not be previously published elsewhere except by consent 

 of the Board of Managers of the Academy. 



15. Authors' separates shall not differ in any particular from the 

 regular edition. Any desired number may be ordered in advance 

 through the Committee on Publication, at the expense of the author, 

 and at a rate of cost agreed upon by the Committee and the printer. 



16. Authors shall receive, free of cost, thirty copies of their papers. 



ABSTRACT OF PROCEEDINGS. 

 1901. 



The series of addresses on " The progress and tendency of science 

 during the nineteenth century," begun on December 11, 1900, was 

 continued in 1901 as follows: 



January 22. — " The progress and tendency of physics " ; by Professor 

 William Hallock, of Columbia University, New York. 



February ig. — "The progress and tendency of mechanical engineer- 

 ing and electricity"; by Professor R. H. Thurston, of Cornell 

 University, Ithaca, N. Y. 



March ig. — "The progi'ess and tendency of astronomy"; by Pro- 

 fessor Simon Newcomb. 



February 26. — Mr. W J McGee, retiring president of the Anthro- 

 pological Society delivered, under the auspices of the Academy, 

 the annual address; subject, " Man's place in nature." 



April 8. — A memorial meeting was held under the auspices of the 

 Academy in honor of Dr. S. C. Busey, one of the vice-presidents 

 of the Academy. 



April ly. — Professor Alpheus Hyatt, of Boston, lectured before 

 the Academy on " A new law of evolution." 



