10 CALIFORNIA ACADEMY OF SCIENCES TPaoc. 4th Ser. 



Pecten cf. pseudolima Sowerby; living. 



Pecten cf. cristularis Adams & Reeve; living. 



Pecten cf. radula Linnaeus ; living. 



Pecten (Pleuronectia) pleuronecta Linnaeus; living. 



Placuna placenta Lamarck ; living. 



Solecurtus quoyi ; living. 



Spondylus, species. 



Trochocyathus burnsi J. Haime (Cyclolites). 



"Locality 5x, Philippine Islands, Luzon, Tayabas Province, 

 Bondoc Peninsula, west side of Ragay Gulf, Bahay River ; 300 

 meters east of the mouth of Apad Creek in lignitic gray sand- 

 stone which was deposited in brackish water. Coll. Roy E. 

 Dickerson" yielded the species listed below : 



Cassidaria. 



Conus loroisii Kiener ; living. 



Cerithium jenkinsi K. Martin. 



Strombus ? 



Telescopium telescopium Linnaeus ; living. 



Vicarya callosa Jenkins. 



Area tenebrica Reeve ; living. 



Chione ? 



Ostrea, species. 



Amber and petrified wood. 



This fauna was made up largely of Cerithium jenkinsi K. 

 Martin, Vicarya callosa Jenkins and Ostrea, species. The other 

 forms are represented by only one or two specimens which 

 were probably carried across the sand bar by small crabs which 

 lived on the sands of the Vigo sea. The abundance of carbona- 

 ceous material and the occurrence of amber and petrified wood 

 also indicate that conditions of deposition here differed from 

 those of the previously described localities. 



"Locality 9x, Philippine Islands, Luzon, Tayabas Province, 

 Bondoc Peninsula, on Dumalog Creek, about five miles north- 

 west of San Narciso, three-quarters of a mile down stream 

 from the Mulanay-San Narciso Trail in uppermost Vigo, just 

 conformably below Canguinsa sandstone in black shale. 



