oa | Saaz, Thirty-fourth Stated Meeting of the A. O. U. 83 
‘Meadowlark Duets,’ by Henry Oldys. Illustrated by whistled 
songs of meadowlarks. 
Next came ‘An Ornithological Reconnaissance in South Amer- 
ica,’ by Dr. Frank M. Chapman. 
The remaining papers, both illustrated by lantern slides, were: 
‘Photographing Gulls at the Panama-Pacific Exposition,’ by 
Joseph Mailliard. 
‘Concerning Bird Banding,’ by Howard H. Cleaves. 
In the evening members of the A. O. U., and the Delaware 
Valley Ornithological Club, with their friends, met at dinner at 
“The Roosevelt,” 2027 Chestnut St., Philadelphia — one hundred 
and forty-four persons being present. An unique feature, imme- 
diately following the dinner, was the display, on a screen, of pictures 
depicting prominent ornithologists from the juvenal to adult 
plumage! 
Second Day. The meeting was called to order by the President. 
The papers of the morning session were: 
“Woodcraft and Sparrow-proof Bird Boxes,’ by Ernest Thompson 
Seton. 
‘What Determines the Length of Incubation,’ by Dr. W. H. 
Bergtold. 
‘A Review of the Diving Petrels (Pelecanoidide),’ by Robert 
Cushman Murphy and Francis Harper. Presented by Mr. 
Murphy. 
‘Two Birds from the Gulf of California,’ by Dr. Paul Bartsch. 
Illustrated by lantern slides. 
‘Exhibition of Hybrid Ducks with Comments,’ by Louis Agassiz 
Fuertes. Remarks followed by Messrs. Deane and Murphy, 
Drs. Stone, Bergtold, Bishop, and Bartsch, and the author. 
‘Attempts to record with the camera the food of some native 
birds,’ by Edward Howe Forbush. Illustrated by lantern slides. 
“The Nesting of the Cock of the Rock,’ by Leo E. Miller. 
‘Field notes on Chunga burmeisteri,’ by Howarth S. Boyle. 
The following papers were presented at the afternoon session, 
Vice President Stone in the chair, all but one being illustrated by 
motion pictures: 
‘The Home Life of our Common Birds,’ by Herbert K. Job. 
‘Bird Reservations of the Gulf Coast,’ by Herbert K. Job. 
