EIVEES OF THE PHILIPPINES. 



251 



most copious is the Cagayan, or Rio Grande, wliieh after a course of over 200 miles 

 between two cordilleras in Luzon enters the sea through a broad estuary facing 

 the island of Camiguin. The Agno, which reaches the coast on the south side of 

 Lingaven Bay, receives the waters and auriferous sands of the Benguet Cirque, a 

 limestone amphitheatre, supposed by some to represent an ancient upheaved atoll. 

 The Pampangan, which traverses the vast plain of like name, after receiving the 



Fig. 110. — Earthquake of 1880. 

 Scale 1 : 6,500,000. 



'0 



C.£/7j'a 



I S L 



15° 



/s fe oP Mint^ono 



119° 



Easb oP breenwich 



. 120 Miles. 



overflow of several lakes joins the sea on the north side of Manilla Bay, where it 

 has developed a broad delta projecting beyond the old coast-line. The Pasig, 

 which falls into the same bay, is only 12 miles long ; but like the Russian Neva 

 acquires great importance as the emissary of the Laguna, and because Manilla, 

 capital of the Philippines, stands upon its banks ; small, flat-bottomed steamers 

 ply on the Pasig, between the lake and the sea. 



In Mindanao the largest river is the Agusan or Butuan^ which is navigable for over 



