212 PALAEONTOLOGY OF CALIFORNIA. 



A. JUGALIS, Gabb. 



A. jugalis, Gabb ; Vol. 2, p. 133, pi. 22, fig. 12, a, 6, 13 a. 

 A. Newberryanus, Gabb (not Meek); pars, Vol. 1, pi. 10, fig. 5; fig. 6 b. 

 Martinez Group, Martinez, Benicia, Curry's, south of Mount Diablo; Tejon 

 Group, Martinez, and Clayton. 



A. NEWBERRYANUS, Meek. 



A. Newberryanus, Meek ; Trans. Alb. Inst., Vol. 4, p. 47. 

 Id., Gabb, jMirs, Vol. 1, p. 61, pi. 27, fig. 199, a, b, c. 

 Chico Group, Vancouver Island. 



A. WHITNEYI, Gabb. 



A. Whitneyi, Gabb ; Vol. 2, p. 134, pi. 22, fig. 14, a, b. 

 Shasta Group, Cottonwood Creek. 



A. STOLICZKANUS, Gabb. 



A. StoliczJcanus, Gabb; Vol. 2, p. 135, pi. 23, fig. 16, 16 a. 

 Shasta Group, Cottonwood Creek. 



A. FRATERNUS, Gabb. 



A. fraternus, Gabb ; Vol. 2, p. 137, pi. 23, fig. 15, a, b. 

 Martinez Group, Benicia. 



? A. COOPERII, Gabb. 



? A. Cooperii, Gabb ; Vol. 1, p. 69, pi. 14, fig. 23, 23 a. 

 Chico Group, ? San Diego. 



HAMITES, Park. H. (? ANCYLOCERAS) VANCOUVERENSIS, Gabb. 



Hamites Vancouver -ensis, Gabb; Vol. 1, p. 70, pi. 13, fig. 18. 

 Chico Group, Vancouver Island. 



HELICOCERAS, d'Orb. ? H. VERMICULARIS, Gabb. 



? H. vermicularis, Gabb; Vol. 1, p. 71, pi. 13, fig. 19, 19 a. 

 Martinez Group, near Martinez. 



