rSection 691. The Senate is the House of territorial representation.2. In each province, four Senators shall beelected by the voters thereof by universal,free, equal, direct and secret suffrage, underthe terms to be laid down by an organic act.3. In the insular provinces, each island orgroup of islands with a Cabildo or insularCouncil shall be a constituency for the purposeof electing Senators; there shall be threeSenators for each of the major islands —GranCanaria, Mallorca and Tenerife— and one foreach of the following islands or groups of islands:Ibiza-Formentera, Menorca, Fuerteventura,Gomera, Hierro, Lanzarote and La Palma.4. The cities of Ceuta and Melilla shallelect two Senators each.5. The Self-governing Communities shall,in addition, appoint one Senator and a furtherSenator for every million inhabitants in theirrespective territories. The appointment shallbe incumbent upon the Legislative Assemblyor, in default thereof, upon the Self-governingCommunity’s highest corporate body as providedfor by its Statute which shall, in any case,guarantee adequate proportional representation.6. The Senate is elected for four years.The Senators’ term of office shall end four yearsafter their election or on the day on whichthe House is dissolved.