APPENDIX E Cl 
4, “A Colony of cliff sparrows and others,” by Norman Criddle. 
5. “The birds of Ottawa,” by C. W. G. Eifrig. 
On’ GEOLOGY. 
1. “Two new Trilobites from the Chazy River, near Ottawa,” by 
Dr. Percy E. Raymond. 
2. “Note on the parietal crest of Centrosaurus apertus, and a 
proposed new generic name for Stereocephalus tretus,” by 
L. M. Lambe. 
3. “Preliminary Notes on the Chazy formation in the vicinity of 
Ottawa,” by Dr. Percy E. Raymond. 
On Botany. 
There is also a long list of papers on this subject, that have appeared 
in the Ottawa Naturalist. 
Officers 1911-12. 
PATRON 
The Right Honourable Earl Grey, Governor-General of Canada. 
President.—Mr. Alex. McNeill. 
Vice-Presidents.—Mr. L. H. Newman, B.S.A., Mr. Arthur Gibson. 
Secretary.—Dr. E. H. Blackader. 
Treasurer.—Mr. W. T. Macoun. 
Editor.—M. A. Gibson. 
Librarian.—Mr. A. E. Attwood, M.A. 
Past President.—Mr. Andrew Halkett. 
Members of Council.—Mr. T. E. Clarke, B.A., Mr. W. J. Wilson, 
Ph. B., Mr. J. W. Gibson, M.A., Miss M. McKay Scott, Mr. R. B. Whyte, 
Miss A. L. Matthews, Mr. Arnett M. Patterson, B.A., Miss M. F. Fortier. 
Besides these there are three standing committees of council, 
consisting each of five or six members, for Publications, Excursions, 
and Lectures. 
There are also leaders appointed for the various subjects, and with 
the Editor of their organ there are nine editors appointed who are 
recognized authorities on their subjects. 
This does not pretend to be a complete report of all the work that 
has been done by the Ottawa Field Naturalists’ Club: to report it all 
would tax the patience of your honourable society. This brief resumé 
is respectfully submitted. 
E. H. BLAckADER, M.D. 
Secretary. 
