^Sgf 1 ] Eleventh Congress of the A. O. U. 55 



The first paper of the morning was by Mr. F. A. Lucas 'On the 

 Tongue of Dendroica tigrina.' In the absence of the author it 

 was read by Mr. F. B. White. 



The second paper was by Dr. A. P. Chadbourne and was 

 entitled 'Change in Feeding Habits of the Night Hawk since the 

 general use of Electric Lights.' Remarks followed by Mr. 

 Ruthven Deane. 



The third paper was by the same author and described 'An 

 Instance of Reasoning in the Scarlet Ibis.' The fourth paper 

 was by Dr. Louis B. Bishop 'On the nest of Cistothorus palus- 

 tris.' The fifth paper was by Mr. George H. Mackay on the 

 'Habits of the Double-crested Cormorant {Phalacrocorax dilo- 

 phus) in Rhode Island' (published antca, pp. 1S-24). It was 

 read by Mr. William Dutcher and was discussed by Messrs. 

 D. G. Elliot and E. H. Forbush. The sixth and last paper 

 of the morning session was by Mr. E. W. Nelson and was 

 entitled 'Some Mexican Notes.' The author gave a graphic 

 description of the scenery and bird-life of the higher peaks at 

 the southern border of the Mexican tableland. 



The first paper of the afternoon session was by Mr. E. H. 

 Forbush on the 'Capture of the Yellow-crowned Night Heron 

 in Massachusetts.' The second paper was by Mr. Frank M. 

 Chapman on 'General Impressions of Tropical Bird-life.' The 

 third paper was by Dr. C. Hart Merriam who spoke inform- 

 ally of his recent trip to Wyoming. 



At the conclusion of Dr. Merriam's remarks, the Union 

 adjourned to meet at the American Museum of Natural History, 

 New York City, November 12, 1S94. 



This was one of the most successful Congresses ever held by 

 the Union. Many of the papers had a general bearing upon the 

 leading biologic questions of the day and wei'e therefore of 

 interest to all students of natural history. That this fact was 

 appreciated was shown by the unusual attendance of the public, 

 the audiences sometimes reaching nearly 150, a number not 

 approached at any previous meeting. 



But the success of the Congress was not dependent alone 

 upon its formal and official transactions. From the social 

 standpoint the meeting was no less memorable. Cambridge is 

 the home of the Nuttall Ornithological Club, the immediate 



