8 The Ottawa Naturalist. [Apnl 



the spring. The Ottawa Improvement Commission instructed 

 their Superintendent, Mr. Stuart, to have 2 50 nesting boxes of 

 the two sizes recommended made, and these were distributed 

 throughout Rockcliffe Park. The Department of Agriculture 

 purchased and distributed at the Experimental Farm 160 nest- 

 ing boxes of the Berlepsch pattern of three sizes suitable for 

 birds using such cavity nests, from wrens to flickers. Many of 

 the boxes in Rockcliffe Park were not very suitably hung, which 

 would prevent a large proportion of them from being used, as 

 would otherwise have been the case ; nevertheless it was seen 

 that some of the boxes were utilized. Many of the boxes at the 

 Central Experimental Farm were inhabited in spite of the fact 

 that this distribution was unavoidably delayed. Wrens, blue- 

 birds and three swallows were observed making use of them; in 

 one case a box was appropriated by a pair of wrens the day after 

 it was hung. 



Before the opening of the spring it is intended to make a 

 complete examination of all the nesting boxes in Rockcliffe Park, 

 and at the Central Experimental Farm, for the purposes of 

 cleaning and ascertaining the number of the boxes occupied 

 during the season of 1914. 



Encouraging reports have also been received from private 

 individuals who adopted our recommendation and provided 

 nesting boxes in their gardens. The example that has been set 

 and the educational work since carried on is having very gratify- 

 ing results in other parts of Eastern Canada. 



THE OTTAWA NATURALIST. 



The official organ of the Club, The Ottawa Naturalist has 

 appeared regularly during the year. Volume XXVIII, com- 

 prising 180 pages, has been completed. Mr. Arthur Gibson has 

 continued to edit it. The following are the most important 

 papers published in the volume: — 



" On'a new genus and species of carnivorous Dinosaur from 

 the Belly River Formation of Alberta, with a descrip- 

 tion of the skull of Stephanosaurus marginatus from 

 the same horizon." By L. M. Lambe. 



"The Waterways of the Mackenzie River Basin." By 

 Charles Camsell. 



" Lichens from Vancouver Island. Bv G. K. Merrill. 



"Abscission." Bv F. E. Lloyd. 



" Gall Midges as Forest Insects." Bv E. P. Felt. 



"The Problem of Bird Encouragement." By W. E. 

 Saunders. 



