THE OTTAWA NATURALIST 



PUBUSHED BY ThE OtTAWA FiELD-NaTURAUSTS' ClUB 



Ottawa, Ont. 



Editor : 



Arthur Gibson. 



Entomological Branch, Department of 



Agriculture, Ottawa. 



Associate Editors: 

 Harlan I. Smith - - Anthropology. P. A. Taverner - - - Ornithology. 



M. O. Malte - - - - Botany). L. M. Lambe - - - Palaeontology. 



M. Y. Williams - - - Ceolog}/. R. M. Anderson - - - Zoology^. 



Secretary): Treasurer: 



Clyde L. Patch. F. W. Waugh, 



Geological Survey. Geological Survey. 



CONTENTS 



Pace 

 Frontispiece: A Successful Martin Colony. 



Bird Houses and Their Occupants. By P. A. Taverner 1 19 



Insect Galls and Gall Insects. By E. P. Felt 127 



Book Notices and Reviews: 



Interesting Seasond Data 131 



Brief Notices of articles in The Canadian Boy and the Auk 132 



The Geographic Distribution of Color and Other Valuable Characters in the 



Genus Junco 133 



Notes and Observations: 



Re Sight Identification. P. A. Taverner 134 



Origin of Place Names in Ottawa Valley. Armon Burwash 134 



Note on Turtles. C. Macnamara 135 



Additional Notes on Manitoba Turtles, Snakes and Batrachians. Norman Criddle 135 



Railways in the Ottawa Valley. James White 135 



A Manitoba Lizard. B. J. Hales 136 



On the Chub Mackerel. Andrew Halkett 136 



Chert Used by the Indians as Material for Arrow Heads, etc. W. J. Wintemberg__ 136 



THE OTTAWA NATURALIST, established thirty-one years ago, "to publish the 

 results of original research or investigation in all departments of natural history," is issued monthly 

 from September to May, inclusive. All receipts from the publication are invested in the magazuje 

 itself. Papers, notes and photographs for publication should be addressed to the Editor. The 

 subscription price is One Dollar a Year. Subscriptions should be addressed to the Treasurer, 

 Mr. F. W. Waugh, Geological Survey, Victoria Memorial Museum, Ottawa. 



