JULY, 1910 



VOL. XXIV, No. 4 



XH El 



OTTAWA 

 NATURALIST 



Published by The Ottawa Field-Naturalists* Club. 



SDitot; 



ARTHUR GIBSON, 



Central Ezpkriubntal Farm, 



OTTAWA. 



7l00ociate Sditot6: 



W. T. Macoun, W. J- Wilson, Ph.B. Rev. G. Eifrig, 



Botany. Geology. Ornithology. 



Rev. G.W.Taylor, M.A. Alex. McNeill, L. M.Lambe, F.G.S., 



Conchology. Meteorology. Palaeontology. 



W. H. Harrington, J. W. Gibson, M.A. Prof. E. E. Prince, 



Entomology. Nature Study. Zoology. 



CONTENTS: 



Fern Hunting in Ontario. By F. J. A. Morris. - - - - 65 



Two Kinds of War One is considered necessary and the other 



is not. By Henry Skinner, M.D. - 74 



Excursions : Blueberry Point, May 7th ; McKay's Lake, May 28th. 76 



Note : House-fly Circular. --------79 



Book Notice: Galloway's Text Book of Elementary Zoology for 



Secondary Educational Institutions. ----- 80 



Copeland-Chatxerson-Crain Limited 



ISSUED JULY 9, 1910. i|^ 



BinUrad at tKe Ottatoa Foot Office as seeond clas matter, ) 2^ 



