Ermita . — Beginning at the intersection of the high water line on the Muelle de San Francisco with the south side of Twenty-fifth Street; thence along the south side of Twenty-fifth street to its intersection with the center line of Cavite Boulevard; thenc e along the center lines of Cavite Boulevard, Paseo del P. Burgos, the Pasig River, Ayala Bridge, Calles Marques de Comillas, Isaac Peral, San Marcelino, Gral. Luna, Herran, M. H. Del Pilar and Cuarteles, to the west face of the sea wall of Cavite Boulevar d; and thence northerly along the west face of the sea walls of said boulevard and of the Luneta extension to the point of beginning. IaAEHD Malate . — Beginning at the intersection of the west face of the sea wall on Cavite Boulevard and the center line of Calle Cuarteles; thence along the center lines of Calles Cuarteles, M. H. Del Pilar and Herran, and Esteros de Paco and Tripa de Gallina, to  the city boundary line; thence westerly along said boundary line to high water line on Manila Bay; and thence northerly along said high water line and the west face of said sea wall to the point of beginning. aDcEIH Paco . — Beginning at a point where the center line of Puente de Ayala crosses the center line of the south channel of the Pasig River; and thence along the center lines of the Pasig River, Esteros de Pandacan, Tripa de Gallina and Paco, Calles Herran, Gral . Luna, San Marcelino, Isaac Peral and Marques de Comillas, and Puente de Ayala, to the point of beginning. aSADIC Pandacan . — Beginning at the intersection of the center lines of the Pasig River and the north end of Estero de Pandacan; thence along the center line of the Pasig River to its intersection with the center line of the east end of Estero de Pandacan; and th ence along the center line of Estero de Pandacan to the point of beginning. Santa Ana . — Beginning at the intersection of the center lines of the Pasig River and the San Juan River; thence along the center line of the San Juan River to the city boundary line; thence along the city boundary line to its intersection with the center  line of Estero Tripa de Gallina; and thence along the center lines of Esteros Tripa de Gallina and de Pandacan, and the Pasig River, to the point of beginning. [1869-6.] SECTION  2406 . Jurisdiction of City for Police Purposes . — The jurisdiction of the city of Manila for police purposes only shall extend to three miles from the shore into Manila Bay and over a zone surrounding the city on land of two and one-half miles in w idth; and for the purpose of protecting and insuring the purity of the water supply of the city such police jurisdiction shall also extend 708 Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011