332 Proceedings 



siastically and gratefully by a unanimous rising vote. Adjournment 

 at 10:10. 



H. Gale, Secretary, 



290th Meeting, Tuesday, April 2d, 1907, Directors' Room, Public 



Library. 



Professor C. W. Hall was called to the chair at 8:10 in the 

 absence of President Walker. About 100 members and guests present. 



A paper on "The Prehistoric Aborigines of Minnesota and their 

 Migrations" was read by Professor N. H. Winchell and is already 

 printed in the "Popular Science Monthly," September, 1908. (Abstract 

 in this bulletin). 



After some discussion of this scholarly and interesting paper the 

 Academy adjourned at 10 P. M. 



H. Gale, Secretary. 



291st Meeting, Tuesday, May 7th, 1907, Directors' Room, Public 



Library. 



President T. B. Walker presiding; 25 members and guests present. 



The Secretary offered the following memorial, which was then 

 ordered to be inserted in the minutes of the Academy: 



"The Minnesota Academy of Science wishes to record its loving 

 remembrance and scientific appreciation of its charter member, Dr. 

 W. H. Leonard, who died April 29th, 1907, aged 82 years. As one of 

 the charter members of the Academy Dr. Leonard was electetd a trus- 

 tee at its organization on Jan. 6th, 1873. He was for some years 

 chairman of the sections on the Archeology and Botany of tlie state 

 and made several reports, specially his report on 'Ferns' in 1876. His 

 well known interest in the hygiene of the city was shown in the 

 Academy by his getting a committee to examine the water of the 

 chalybeate Springs opposite lower Hennepin Island, at about the 

 foot of 5th Avenue S. E. 



"He was one of the dozen faithful attendants at the Academy's 

 meetings during its early years; he kept up his active membership 

 for over 20 years, and maintained his intellectual interest in the 

 Academy to the last. 



"His gentle, kindly heart and his alert scientific intellect, in the 

 midst of a busy physician's life, will always be held in affectionate 

 remembrance and civic honor." 



At 8:15 the paper of the evening, "The Weather and Weather Fore- 

 casting," was given by Mr. H. E. Osborn, of the Central High School. 

 The speaker described the great variety of popular weather signs and 

 the kinds of professional individual forecasters. He then described 

 and showed some of the apparatus and methods of the U. S. Weather 

 Bureau. 



Our new section director of the Government Bureau, Mr. U. G. 

 Purcell, then expressed his appreciation of Mr. Osborn's interesting 



