90 PALAEONTOLOGY OF CALIFORNIA. 



Qlycimeris generosa, H. & A. Ad. ; Gen. Eec. Moll., p. 350. 



Mya abrupta, Con. ; Wilkes's Exped. Foss., p. 723, pi. 17, fig. 6. 



Glycimeris abrupta, Con. ; Jour. Conch., 1865, p. 152. 



G. Estrdlanus, Con. ; P. R. R. Rep., Vol. 7, p. 194, pi. 7, fig. 5. 



Miocene, Oregon, Martinez, "Walnut Creek, near Mount Diablo, Esuella, 



Foxin's ; Pliocene, San Fernando, Santa Barbara ; Post-Pliocene, Santa 



Barbara. Living. 



CRYPTOMYA, Con. C. CALIFORNICA, Con. 



C. Californica, Con. ; Proc. Phil. Acad., 1849, p. 121. 



Sphcenia Californica, Con. ; Jour. A. N. S., 1 Ser., Vol. 7, p. 234, pi. 17, fig. 11. 

 Sphcenia Californica, Cpr. ; Zool. Proc., 1856, p. 210. 

 Cryptomya ovaiis, Con. ; P. R. R Rep., Vol. 6, p. 69, pi. 2, fig. 2. 

 Miocene, Griswold's ; Pliocene, San Fernando, Santa Rosa ; Post-Pliocene, 

 Santa Barbara. Living. 



MYTILIMERIA, Con. M. NUTTALLII, Con. 



Mytilimeria Nuttallii, Con. ; Jour. A. N. S., 1 Ser., Vol. 7, p. 247. 

 Miocene, Tomales ; Post-Pliocene, San Pedro. Living. 



THRACIA, Leach. T. TRAPEZOIDES, Con. 



T. trapezoides, Con. ; Wilkes's Exped., p. 723, pi. 17, fig. 6. 

 Miocene, Astoria ; Pliocene, Eagle Prairie. 



PANDORA, Brug. P. SCAPHA, Gabb. 



Pandora scapha, Gabb ; Pal. Cal., Vol. 2, p. 18, pi. 4, fig. 32. 

 Miocene, Martinez. 



CLIDOPHORA, Cpr. C. PUNCTATA, Con., sp. 



Pandora punctata, Con. ; Jour. Phil. Acad., 1 S., Vol. 7, p. 288, pi. 17, fig. 1. 

 Clidophora punctata, Cpr. ; Proc. Zool. Soc., 1864, p. 598. 

 Miocene, near San Buenaventura. Living. 



HEMIMACTRA, Swains. H. LENTIOULARIS, Gabb. 



H. lenticularit, Gabb ; Pal. Cal., Vol. 2, p. 19, pi. 4, fig. 33. 

 Miocene, Martinez. 



