234 PALAEONTOLOGY OF CALIFORNIA. 



C. Trask.ii, Gabb. 



Corbula Traskii,, Gabb ; Vol. 1, p. 149, pi. 22, fig. 121 a. 

 Chico Group, Texas Flat, Tuscan Springs, and Pence's Ranch. 



C. cultriformis, Gabb. 



Corbula cultriformis, Gabb; Vol. 1, p. 149, pi. 22, fig. 122. 

 Martinez Group, Martinez. 



C. Hornii, Gabb 



Corbula Hornii, Gabb ; Vol. 1, p. 149, pi. 29, fig. 238. 

 Corbula Hornii, Gabb ; Vol. 2, p. 176, pi. 29, fig. G2, a, b. 

 Tejon Group, Tejon. 



C. parilis, Gabb. 



Corbula par His, Gabb; Vol. 1, p. 150, pi. 29, fig. 239 a. 



Tejon Group, Martinez, Clayton, Cocbrane's, Marsh's, Griswold's, and San 

 Diego. 



C. al/eformis, Gabb. 



Corbula alcc/ormis, Gabb; Vol. 2, p. 177, pi. 29, fig. 63. 



Beds intermediate between the Martinez and Tejon Groups, Lower Lake, 

 Lake County. 



ANATINA, Lam. A. Tryoniana, Gabb. 



Anatina Tryoniana, Gabb; Vol. 1, p. 150, pi. 29, fig. 240. 

 Chico Group, Martinez. 



A. inequilateralis, Gabb. 



Anatina inequilateralis, Gabb; Vol. 1, p. 151, pi. 29, fig. 241 

 Chico Group, Siskiyou Mountains. 



? A. lata, Gabb. 



? Anatina lata, Gabb; Vol. 1, p. 151, pi. 22, fig. 126. 

 Chico Group, Pence's. 



A. quadrata, Gabb. 



Anatina quadrata, Gabb ; Vol. 2, p. 177, pi. 29, fig. 64. 

 Chico Group, Nanaimo, Vancouver Island. 



