MARCH, 1917 



Vol. XXX, No. 12. 



THE 



OTTAWA 

 NATURALIST 



Published by The Ottawa Field-Naturalists' Club 



Editor: 



ARTHUR GIBSON, 



Entomological Branch, Department of Agriculture, 



OTTAWA. 



Associate Editors: 



Harlan I. Smith. W. H. Harrington, P. A. Tavkrner, 



Anthropology. Entomology. Ornithology, 



M. O. Malte, Ph.D., M. Y. Williams, Ph.D., L. M. Lambe, F.G.S., 



Botany. Geology. Palaeontology. 



Prof. JohnMacoun, M.A., Otto Klotz, LL.D.. C. Gordon Hewitt, D.Sc, 



Conchology. Meteorology. Zoology. 



CONTENTS: 



Notes on' the Bottom Environment of the Marine Invertebrates 



of Western Nova Scotia . By E. M. Kindle 149 



My Bird Houses. By C. L. Patch 155 



Birds Observed at Grande Prairie City, Peace River District. 



By F. L. Farley 157 



Are Our Forests Vanishing? 158 



Notes 160 



Index to Volume XXX 161 



MC 



The Dadson-Merrill Press, Limited. 

 issued april 17TH, 1917. 

 Entered at Ottawa Post Office as second class matter. 



*RY 



