TERTIARY FOSSILS. 103 



LED A, Sehum. L. C^ELATA, Hds., sp. 



Nucula ccelata, Hds. ; Proc. Zool. Soc., 1843, p. 99; Voy. Sulph., p. 64, pi. 



18, fig. 13. 



Leda ccelata, Hanley ; Thes. Conch., Vol. 3, No. 42, fig. 95, 96. 

 Pliocene, San Fernando ; Post-Pliocene, Santa Barbara, San Pedro. Living. 



L. CUNEATA, Sby. 



Leda cuntata, Sby. ; Thes. Conch., Vol. 3, p. 128, figs. 92, 93. 

 Post-Pliocene, Santa Barbara, San Pedro. Living. 



YOLDIA, Moll. Y. NASUTA, Gabb. 



Yoldia nasuta, Gabb ; Pal. Cal., Vol. 1, p. 216, pi. 32, fig. 287. 

 Tertiary (horizon?) " Los Angeles." 



Y. IMPRESSA, Con., sp. 



Nucula impressa, Con. ; Wilkes's Exped., p. 726, pi. 18, fig. 7. 

 Yoldia impressa, Meek ; Sin. Check List, Miocene. 

 Y. Cooperii, Gabb ; Proc. Cal. Acad., 1865, p. 189. 

 Y. Cooperii, Gabb; Pal. Cal., Vol. 2, p. 31, pi. 9, fig. 54. 

 Y. Cooperii, Cpr. , Cooper ; Enumerations West Coast Mollusca. 

 Miocene, between Martinez and Monte Diablo, Astoria ; Pliocene, San Fer 

 nando ; Post-Pliocene, San Pedro. Living. 



PECTEKT, Linn. P. CERROSENSIS, Gabb. 



\ 

 P. Cerrosensis, Gabb; Pal. Cal., Vol. 2, p. 32, pi. 9, fig. 55. 



Post-Pliocene, Cerros Island, off Lower California. 



P. PROPATULUS, Con. 



P. propatulus, Con. ; Wilkes's Exped., p. 726, pi. 18, fig. 13. 

 Miocene, Oregon ; Griswold's, Tomales Bay. 



P. CATILLIFORMIS, Con. 



P. catilliformis, Con. ; P. K. R. Rep., Vol. 5, p. 829, pi. 9, fig. 83. 

 Miocene, Ocoya Creek. 



P. PABLOENSIS, Con. 



P. Pabloensis, Con. ; P. R. R. Rep., Vol. 6, p. 71, pi. 3, fig. 14. 

 Miocene, San Pablo, Martinez, Max Martinez Ranch. 



