224 PALEONTOLOGY OF CALIFORNIA. 



NISO, Eisso. N. polita, Gabb. 



Nisopolita, Gabb; Vol. 1, p. 116, pi. 21, fig. 113. 

 Tejon Group, Martinez, and Tejon. 



CERITHIOPSIS, F. & H. C. alternata, Gabb. 



Cerithiopsis alternata, Gabb ; Vol. 1, p. 116, pi. 21, fig. 114, 114 a. 

 Tejon Group, Martinez, and east of Mount Diablo. 



ARCHITECTONICA, Bolt. A. Veatchii, Gabb. 



A. Veatchii, Gabb; Vol. 1, p. 116, pi. 19, fig. 71. 

 Chico Group, Tuscan Springs. 



A. coonata, Gabb. 



A. eognata, Gabb; Vol. 1, p. 117, pi. 20, fig. 72, a, b, c, d, e 

 Tejon Group, Martinez, Clayton, Tejon 



A. Hornii, Gabb. 



A. Hornii, Gabb ; Vol. 1, p. 117, pi. 29, fig. 224, a, b. 

 Tejon Group, Tejon. 



A. inornata, Gabb. 



A. inornata, Gabb; Vol. 1, p. 118, pi. 20, fig. 73. 



Cbico Group, Tuscan Springs ; Martinez Group, Martinez. 



DISCOHELIX, Dkr. D. Leana, Gabb. 



Discohelix Leana, Gabb; Vol. 1, p. 119, pi. 20, fig. 75. 

 Chico Group, Texas Flat, Placer County. 



STEAPAROLLUS, Montf. S. paucivolvus, Gabb. 



S. paucivolvus, Gabb; Vol. 1, p. 120, pi. 20, fig. 76. 

 Chico Group, Texas Flat. 



S. lens, Gabb. 



Straparollus lens, Gabb ; Vol. 1, p. 120, pi. 20, fig. 77, a-d. 

 Chico Group, Texas Flat. 



