428 The Philippine Journal of Science 1923 



and Gastropoda where it is unconformably overlain by andesitic 

 tuff, a member of the Baguio formation. The irregular, un- 

 conformable contact at this place is marked by the dark brown 



soil resting upon yellow marine marl. Fragments of the tuff 

 and agglomerate of the Baguio formation, in turn, rest upon 

 and are embedded in this soil. 



