Mas6 and Smith: Seismic Disturbances.] 



[Phil. Joubn. Sci., VIII, A, No. 4. 



134° 



rfc/a/jfed from Me moo buL//jf>ed fy ' 

 W///>e//n Xrehs //? Gzo£r. Ze/'hcht T 

 Yd tf 3rd Hft. AfdF/S/3. 



SKETCH MAP OF THE 



"Philippine Deep!' 



c 



Sounding j in, meters. 



132° 



PLATE I. SKETCH MAP OF THE PHILIPPINE DEEP. 



