342 Proceedings 



showing in outline, with the aid of brain models, charts and some 

 simple apparatus, the process of hearing through the ear mechanism, 

 nerves, and brain; the perception of tones in pitch, quality, quantity 

 and rhythm. Helmholtz and Dr. Billroth's "Wer ist musikalisch?" 

 were much cited, and many original experiments given by the speaker. 

 Considerable discussion followed until after 10. 



H. GALE, Secretary. 



SOlth Meeting, Monday, April Bth, 1909, in the Directors' Room of the 



Public Library. 



President Walker presiding; about 30 members and guests pres- 

 ent. 



"Personal Impressions of the Panama Canal" were given by Mr. 

 Edw. C. Gale, illustrated by charts, maps, and photographs. The sub- 

 ject was continued by Professor C. W. Hall and gave rise to many 

 interesting questions and much discusssion. 



At 9:30 Professor Winchell explained the progress of the pre- 

 parations for the A. A. A. S. meeting and the method of formation 

 of the large committee of 100. Adjournment. 



H. GALE, Secretary. 



308^71 Meeting, Monday May lO^Ti, 1909, in the Directors' Room of the 

 Public Library Building. 



No business. About 100 persons present to hear Dr. Thomas S. 

 Robert's extremely able and interesting lecture on "Sparrows and 

 Finches of Minnesota", illustrated from his own splendid collection 

 of original photographs as lantern slides. 



H. GALE, Secretary. 



309^71 Meeting, Tuesday Oct. Bth, 1909, in the Academy's Museum 

 Room in the Public Library Building. 



In the absence of the President and Vice President the Rec. Sec'y., 

 was called to the chair: about 20 persons present. 



Report by Curator Franzen on the improvements in the Museum 

 during the summer, the large increase in attendance, and the further 

 needs. 



Informal inspection of the eight new cases of Greek vases and 

 glassware, Chinese idols, coins, a bison and a musk-ox head, and a 

 mammoth tusk from Alaska, — all deposited in the museum by Presi- 

 dent Walker. Moved that the thanks of the Academy be given to 

 President Walker for placing these valuable specimens in their hand- 

 some cases in the museum. Carried. 



Symposium on the Cook-Peary discoveries of the North Pole; 

 joined in by Norton, Child, Winchell, Oestlund, Wulling, Brown, 



