30 THE O. & O. SEMI-ANNUAL. 
DEPARTMENT OF THE 
WILSON ORNITHOLOGICAL CHAPTI 
OR, Whane: 
Asassiz Association. 
Our Chapter has steadily increased in membership and_ 
interest taken in our work since our last report, and will have an 
instructive and interesting report of our study of the Warblers _ 
and further study of the Thrushes during this season, to presen 
to our members in the January SEMI-ANNUAL. 
The success of the Wilson Chapter depends upon the diligence 
with which each member studies the bird-life of his own locality, 
and any special subject in which he is engaged. The study of | 
bird-songs is being energetically carried’out by Mr. Bridgham 
and his associates, and Secretary Lynds if 
ing our investigations in nidification. 
The list of synomyms of Thrushes, given in this issue, was 
gathered {rom outside sources, although if observers would report 
2 nes: 
on this subject, the result would be of value in our work. 
ie 
The study of the food of birds will be undertaken as soon as a_ 
sufficient number of observers become interested in the subject. 
These special departments of ornithological investigation, | 
continued as commenced, will yield most valuable results. 
CHANGE IN CONSTITUIION: 
great service in the transaction of business. rl 
