242 PALAEONTOLOGY OF CALIFORNIA. 



DIODUS, Gabb. D. tenuis, Gabb. 



* Cyprinella tenuis, Gabb ; Vol. 1, p. 170, pi. 23, fig. 151. 

 Tejon Group, Corral Hollow. 



CARDIUM, Linn. C. Kemondianum, Gabb. 



Cardium Remondianum, Gabb ; Vol. 1, p. 172, pi. 23, fig. 153. 

 Chico Group, Benicia, and Wright's Gulch, Shasta County. 



C. Cooperii, Gabb. 



Cardium Cooperii, Gabb; Vol. 1, p. 172, pi. 24, fig. 154 a. 

 Tejon Group, Martinez, Tejon, and San Diego. 



C. scitulum, Meek. 



C. scitulum, Meek; Trans. Alb. Inst., Vol. 4, p. 40. 

 Chico Group, Nanaimo, Vancouver Island. 



C. Brewerii, Gabb. 



Cardium Brewerii, Gabb; Vol. 1, p. 173, pi. 24, fig. 155. 

 Tejon Group, Martinez, Clayton, Griswold's. and Tejon. 



C. (LiEVICARDIUM) LINTEUM, Con. 



Cardium linteum, Con. ; Pacific R. R. Rep., Vol. 5, p. 320, pi. 2, fig. 1. 

 Lcevicardium linteum, Con. ; Sm. Check List, No. 152. 

 Tejon Group, Tejon. 



C. (Lcevicardium) annulatum, Gabb. 



Cardium, (Lcevicardium) annulatum, Gabb; Vol. 1, p. 171, pi. 23, fig. 152. 

 Id., Gabb; Vol. 2, p. 187, pi. 30, fig. 81. 

 Chico Group, Martinez, Curry's, Orestimba. 



C. (Protocardium) Placerensis, Gabb. 



Cardium (Protocardium) Placerensis, Gabb; Vol. 1, p. 173, pi. 24, fig. 156. 

 Chico Group, Texas Flat. 



* Cyprinella being preoccupied in ichthyology, I propose to substitute the present 

 name for the genus. 



