10 The Ottawa Naturalist [April 



10. Some Canadian Antennarias, Dr. Ed. L. Greene. 



11. The Caribou of Queen Charlotte Islands, J. M. Macoun. 



12. Ivy Poisoning and its Treatment, J. M. Macoun. 



13. The Great Gray Owl, Rev. C. W. G. Eifrig. 



14. The Species of Botryocrinus, F. A. Bather. 



15. Some New Plants from the Canadian Rockies and Sel- 

 kirks, Edith M. Farr. 



16. Richardson's Merlin, W. J. Brown. 



17. Bird Migration, Sable Island, James Boutelier. 



18. Notes on Cyrtoceras cuneatum. Dr. J. F. Whiteaves. 



19. Contributions to Canadian Botany, J. M. Macoun. 



20. Spring Migration of Birds at Ottawa, 1906, Rev. C. 

 Eifrig. 



21. Animal Coloration, Prof. E. E. Prince. 



22. The Cryptogamic Flora of Ottawa, Prof. Jno. Macoun. 



23. A Visit to Duck Island, Hon. F. R. Latchford. 



24. The Teal Weed of St. Clair Flats, J. Maughan. 



25. Description of Eupithecia Fletcherata, Geo.W Taylor. 



26. A Swarm of Butterflies, Geo. H. Bradshaw. 



27. Notes on the Skeleton of a White Whale, Dr. J. F. 

 Whiteaves. 



28. Some Curious Facts about Fishes, Andrew Halkett. 



29. The Disappearance of the Passenger Pigeon, J. H. 

 Fleming. 



30. Meteorological Observations at Ottawa, Wm. Ellis, 



In addition to these, there have been published several 

 botanical and ornithological notes, book reviews, reports of 

 soirees, excursions, and branch meetings. 



The series of articles on Nature Study, edited by Dr James 

 Fletcher, has been continued, bringing the number of papers 

 published during the past four years up to 42. In this volume 

 the following papers appear: 



33. Definite Problems in Nature Studv, Dr. S. B. Sinclair. 



34. A Cement Sidewalk, S. B. McCreadV, B.A. 



35. The Gait Park Wild-Flower Garden, R. S. Hamilton. 



36. The Foundations of Chemistry as seen in Nature Study, 

 Jno. Brittain. 



37. The Cecropia Emperor Moth, Arthur Gibson. 



38. School Exhibits of Pressed Plants, Dr. J. Fletcher. 



39. Agencies for the Promotion of Nature Study in Canada , 

 Prof. Lochhead. 



40. Manual Training the Mechanical Hobby, Dr. Mark 

 G. McElhinney. 



41. Manual Training the Machinist's Art, Dr. Mark G. 

 McElhinney. 



42. The Relationof Sparrows to Agriculture, L. H. Newman. 



