Consisting of that part of the City of Montréal described as follows: commencing at the intersection of Highway No. 720 (Ville-Marie Highway) with Highway No. 15 (Décarie Highway); thence generally northeasterly along Highway No. 720 (Ville-Marie Highway) to the southeasterly limit of the City of Westmount; thence generally northeasterly and generally northwesterly along the southeasterly and northeasterly limits of the City of Westmount to Sherbrooke Street West; thence northeasterly along said street to de la Côte-des-Neiges Road; thence generally westerly along said road to its intersection with Cedar Avenue; thence northerly in a straight line to the intersection of the boroughs of Côte-des-Neiges–Notre-Dame-de-Grâce and Outremont on the northwesterly limit of the borough of Ville-Marie; thence northeasterly, generally northwesterly and generally northeasterly along the limit of the borough of Ville-Marie to du Parc Avenue; thence southeasterly along said avenue and De Bleury Street to Viger Avenue West; thence northeasterly along said avenue and Viger Avenue East to the Jacques-Cartier Bridge; thence easterly along said bridge to the St. Lawrence River (westerly of Sainte-Hélène Island); thence northerly and easterly along said river (passing westerly and northerly of said island) to the intersection of the northerly limit of the borough of Ville-Marie with the easterly limit of the City of Montréal; thence generally southerly along the easterly limit of said city to the southerly limit of the City of Brossard; thence westerly in a straight line to the intersection of the easterly production of Brault Street with the north shore of the St. Lawrence River; thence northeasterly along the shore of said river to the northerly limit of the borough of Verdun; thence northwesterly along said limit to Atwater Avenue; thence northerly along said avenue to the Lachine Canal; thence southwesterly along said canal to Highway No. 15 (Décarie Highway); thence northwesterly along said highway to the point of commencement.