CRETACEOUS FOSSILS. 229 



N. cuneata, Gabb. 



N. cuneata, Gabb; Vol. 1, p. 137, pi. 21, fig. 97. 

 Chico Group, Tuscan Springs. 



N. (Theliostyla) triangulata, Gabb. 



N. (T.) triangulata, Gabb; Vol. 2, p. 170, pi. 28, fig. 52 a. 

 Tejon Group, New Idria. 



LYSIS, Gabb. L. duplicosta, Gabb. 



Lysis duplicosta, Gabb; Vol. 1, p. 138, pi. 21, fig. 98. 

 Chico Group, Texas Flat. 



CALLIOSTOMA, Swains. C. radiatum, Gabb. 



C. radiatum., Gabb; Vol. 2, p. 170, pi. 28, fig. 53. 

 Chico Group, Texas Flat. 



ATAPHRTTS, Gabb. A. crassus, Gabb. 



Ataphrus crassus, Gabb ; Vol. 2, p. 171, pi. 28, fig. 54. 

 Martinez (?) Group, Martinez. 



ANGARIA, Bolt. A. ornatissima, Gabb. 



A. ornatissima, Gabb ; Vol. 1, p. 121, pi. 20, fig. 78. 

 Chico Group, Texas Flat, and Tuscan Springs. 



MARGARITELLA, Meek and Hayden. M. crenulata, Gabb. 



M. crenulata, Gabb; Vol. 1, p. 118, pi. 20, fig. 74. 

 Tejon Group, San Diego. 



M~. globosa, Gabb. 



M. globosa, Gabb ; Vol. 1, p. 119, pi. 29, fig. 225. 

 Chico (?) Group, Benicia. 



M. angulata, Gabb. 



M. angulata, Gabb ; Vol. 2, p. 172, pi. 28, fig. 55. 

 Chico Group, Martinez. 



