62 PROCEBDrNTGS OF THE 



February 16, 1911. Fourteen members present. Mr. Rehn 

 spoke concerning "Some Western Birds and Their Home 

 Lands", describing atrip across the northern states, down along 

 the mountains of the Pacific coast, over to the Catalina Islands, 

 thence following the Mexican border into Arizona and New 

 Mexico. The talk was illustrated by a series of interesting 

 slides, showing the character of country traversed. Mr. Hill 

 reported a Fox Sparrow and Field Sparrows at Rose Valley on 

 January 9, 1911. 



March 2, 1911. Sixteen members present. Juhan K. Potter, 

 J. D. Kuser, Stephen Fuguet, Frederick Oldack and Jesse 

 Packer were elected to associate membership. E. Butler, S. W. 

 Cole and M. A. Linton were dropped from membership for non- 

 payment of dues. 



Mr. Stone gave an instructive talk on the family of Thrushes 

 (Turdidae), discussing their relationships, distribution, etc. 

 Specimens from the Academy's collection were on exhibit. 



Mr. Potter reported Starlings {Stumus vulgaris) associated 

 with Red-winged Blackbirds near Camden on Feb. 19, 1911. 

 Mr. Rehn reported a Bald Eagle observed at Stafford's Forge on 

 Feb. 25, 1911. Mr. Otto Behr reported a flock of fifty Canada 

 Geese seen at Lopez, Pa., on Feb. 14, 1911. 



March 16, 1911. Eleven members present. The meeting 

 was devoted to discussion on "Recording Bird Migration and 

 Other Field Observations". Mr. Stone reviewed the method 

 employed to determine correctly the bulk-arrival of the several 

 species, impressing the members with the necessity of a large 

 number of observers to properly carry this into effect. 



Mr. Street made a few remarks on the causes of mortality 

 among nest birds. Mr. Stone expressed himself as of the belief 

 that in many instances color pattern was fundamentally more 

 important than structural characteristics in determining rela- 

 tionships among the genera of birds. 



April 6, 1911. Twenty-two members present. Mr. Stone 

 read a letter from Mrs. Winebreuer describing the occurrence of 

 Evening Grosbeaks and Bohemian Waxwings at Bushkill, Mon- 

 roe Co. , Pa. The Grosbeaks were observed from February 7th 



