60 PROCEEDINGS OF THE 



February 15th, 1917. Fifteen members present. Dr. Spencer 

 Trotter read a paper entitled "Gems from Coues," drawing 

 largely from the ' ' Check List of North American Birds, ' ' 

 * ' Birds of the Colorado Valley ' ' and other works, the speaker 

 revealed the many-sided and interesting character of the or- 

 nithologist, bringing to light many points of historical interest 

 and others relating to bird nomenclature. 



March 1, 1917. Nineteen members present. The following 

 were elected to Associate Membership: C. M. Sangree, Dr. E. 



C. Day, Prof. H. H. Beck, Dr. G. B. Wood and Mr. C. Has- 

 ' sold. The following to Corresponding Membership : George 



MacReynolds, F. Ottenmiller, Severn Regar, S. S. Dickey and T. 



D. Burleigh. The following to Active Membership: Dr. C. E. 

 Ehinger. Dr. Witmer Stone addressed the meeting upon the 

 subject, "A Symposium on the Evening Grosbeak." The 

 speaker reviewed the status of the species from the time of the 

 earliest reference on the date of Jan. 10, 1825, down to the 

 present day. Particular stress was placed upon the present 

 abundance of the species. 



March 15, 1917. Eighteen members present. Dr. Samuel 

 Palmer made a communication entitled "Some Remarks on the 

 Pygopodes." The structural characteristics of the several 

 genera comprised under the group were described. Interesting 

 facts pertaining to distribution were presented, 



A-pril 5, 1917. One visitor and thirteen members present. 

 Mr. George H, Hallett, Jr., presented a subject entitled "The 

 Morning Awakening of Birds." The speaker offered a great 

 amount of data relating to this particular phase of bird study 

 and advanced the opinion that temperature had a greater influ- 

 ence upon the morning awakening songs of birds than the 

 relative amount of light. 



April 19, 1917. One visitor and eighteen members present. 

 The subject "Days on the Potomac" was presented by 

 Messrs. George Spencer Morris, Arthur C. Emlen and Samuel 

 Mason, Jr. The district described was in the vicinity of Brook 



