The subjoined table gives the list of post offices and their corresponding numbers, which has been worked out along the lines above mentioned. It is offered in the hope that more will be done to determine positively the correspondence between the two. The names in ordinary type are those that have been identified without any reasonable doubt; those that have been fitted in tentatively are in italics. The Roman numeral following indicates the Class to which the Money Order Office belongs. LIST OF NUMBERED CANCELLATIONS. 1. _Barrie, U. C._ I 2. Belleville, U. C. I 3. _Berlin, U. C._ I 4. Bowmanville, U. C. I 5. Brantford, U. C. I 6. _Brighton, U. C._ II 7. _Brockville, U. C._ I 8. Chatham, U. C. I 9. _Clinton, U. C._ II 10. _Cobourg, U. C._ I 11. _Cornwall, U. C._ I 12. _Dundas, U. C._ I 13. Galt, U. C. I 14. _Goderich, U. C._ I 15. _Guelph, U. C._ I 16. Hamilton, U. C. I 17. _Ingersoll, U. C._ II 18. Kingston, U. C. I 19. London, U. C. I 20. Melbourne, L. C. II 21. Montreal, L. C. I 22. Napanee, U. C. II 23. _Napierville, L. C._ II 24. _Newcastle, U. C._ II 25. _Niagara, U. C._ I 26. _Oakville, U. C._ II 27. Ottawa, U. C. I 28. _Paris, U. C._ I 29. Perth, U. C. II 30. Peterborough, U. C. I 31. Picton, U. C. II 32. _Port Dover, U. C._ II 33. _Port Hope, U. C._ I 34. Port Sarnia, U. C. II 35. Prescott, U. C. I 36. _Preston, U. C._ II 37. Quebec, L. C. I 38. St. Catherines, U. C. I 39. _St. Hyacinthe, L. C._ II 40. _St. Johns, L. C._ II 41. _St. Thomas, U. C._ I 42. _Sherbrooke, L. C._ II 43. Simcoe, U. C. II 44. _Smith's Falls, U. C._ II 45. Stanstead, L. C. II 46. Stratford, U. C. I 47. Three Rivers, L. C. I 48. _Toronto, U. C._ I 49. Whitby, U. C. II 50. _Windsor, U. C._ I 51. _Woodstock, U. C._ I 52. _York, U. C._ II