98 PALEONTOLOGY OF CALIFORNIA. 



T. Staleyi, Gabb. 



Dosinia Staleyi, Gabb; Pal. Cal., Vol. 2, p. 24, pi. 7, fig. 42. 

 Tapes id., Gabb; Index to plat", loc. cit. 



Tapes id., Gabb ; Pal. Cal., Vol. 2, p. 57, pi. 16, fig. 17, 17 a. 

 Pliocene, Santa Rosa. 



? T. truncata, Gabb. 



Tapes ? truncata, Gabb; Pal. Cal., Vol. 2, p. 25, pi. 7, fig. 44. 

 Miocene, Griswold's. 



SAXIEOMUS, Con. S. gracilis, Gld., sp. 



Tapes gracilis, Gld. ; P. R. R. Rep., Vol. 5, p. 333, pi. 19, fig. 20. 

 Saxidomus aratvs, Gld. ; 1801, Otia, p. 108. 

 Venus maxima, Phil. ; Abbild., Vol. 2, pi. G, fig. 1. 

 Saxidomus gracilis, Cpr. ; Brit. Assn. Rep., 1806. 



Miocene, Santa Cruz, "Walnut Creek, Martinez, Santa Inez ; Pliocene, San 

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



S. Ntjttalli, Con. 



Saxidomus Nuttalli, Con. ; Jour. Phil. Acad., Vol. 7, p. 249, pi. 19, fig. 12. 

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



S. gibbosus, Gabb. 



Saxidomus gibbosus, Gabb; Pal. Cal., Vol. 2, p. 58, pi. 16, fig. 18, a, b. 

 Pliocene, Eagle Prairie, Humboldt County. 



CYRENA, Lam. C. Californica, Gabb. 



Cyrena Californica, Gabb; Pal. Cal., Vol. 2, p. 26, pi. 7, fig. 45. 

 Pliocene, Kirker's Pass. 



CAESIUM, Linn. C. corbis, Martyn, sp. 



Pectunculus corbis, Mart. ; Univ. Conch., pi. 28, fig. 2. 

 C. corbis, (Desh. Mss.) Cpr. ; Brit. Assn. Rep., 1863, pp. 527, 642. 

 C. Calif or nianum, Con. ; Jour. Acad. Phil., Vol. 7, p. 229, pi. 17, fig. 4. 

 C. Nuttalli, Con. ; loc. cit, p. 229, pi. 17, fig. 3. 



Pliocene, Twelve-mile House, below San Francisco, San Fernando ; Post- 

 Pliocene, Santa Barbara, San Pedro, San Francisco. Living. 



