Don River
It consisted of the part of Metropolitan Toronto bounded by a line beginning where the Don River would meet Donlands Avenue, east along the Don River, north along the West Branch of the Don River, east along Eglinton Avenue East, north along the Don River, west along Lawrence Avenue East, north along Don Mills Road, west along Bond Avenue, north along Leslie Street, west along York Mills Road, north along Bayview Avenue, southwest along Highway 401, south along Yonge Street, east along Merton Street, south along Bayview Avenue, east and south along the northern limit of the Township of East York, and east along the Don River to Donlands Avenue.