ARNOLD] FOSSIL MOLLUSKS FROM CALIFORNIA 44 1 



Locality. — Bath-house Beach, Santa Barbara, California. (Delos 

 and Ralph Arnold.) 



Horizon. — Fernando formation (Pliocene or lower Pleistocene). 



EXPLANATION OF PLATES 



All figures are natural size unless otherwise indicated. Unless 

 otherwise indicated, all specimens figured are from Santa Barbara 

 County, California. 



Plate L 

 Tejon {Eocene) Fossils 



Fig. 1. Cardium brewerii Gabb. Type. View of exterior of right valve; 



altitude, 61 mm. Pal. Cal. I, pi. xxiy, fig. 155. A common species 



in the Eocene of the Santa Ynez Mountains. 

 2a. Crassatellites collina Conrad. Cat. No. 165,312, U. S. N. M. View 



of exterior of left valve; longitude, 87 mm. San Julian ranch; 



locality No. 4507. A characteristic species of the Tejon in the 



Santa Ynez Range. 

 2b. View of anterior end of same specimen. 



3. Crassatellites collina Conrad. Cat. No. 165,312, U. S. N. M. View 



of hinge. Same locality as fig. 2a. 



4. Pecten (Chlamys ?) yneziana, new species. Cat. No. 165,313, U. S. 



N. M. Paratype. View of exterior ; altitude, 52 mm. San Julian 



ranch; locality No. 4507. A characteristic species of the Tejon in 



the Santa Ynez Range. 

 5a. Ficus mamillatus Gabb. Cat. No. 165,319, U. S. N. M. View of 



back; altitude, 31 mm.; 3 miles north of Sudden; locality No. 4518. 



Quite rare, but nevertheless found at most Tejon localities in the 



southern Coast Ranges. 

 5b. View of same specimen from above. 

 6. Turritella uvasana Conrad. Cat. No. 165,327, U. S. N. M. Aperture 



view of imperfect specimen ; altitude, 25 mm. ; 3 miles north of 



Sudden; locality No. 4518. Characteristic of the Tejon on the 



West Coast. 



Plate LI 



Knoxville (Cretaceous) and Tejon (Eocene) Fossils 



Fig. 1. Aucella piochii Gabb. Cat. No. 30,831, U. S. N. M. View of ex- 

 terior of right valve; altitude, 25 mm. Knoxville (Lower Cre- 

 taceous) formation, East Fork Tepusquet Creek; locality No. 4173. 

 Characteristic of the Knoxville throughout the Coast Ranges. 



2. Aucella piochii Gabb. Cat. No. 30,831, U. S. N. M. View of exterior 

 of left valve, X 2. Same locality and horizon as fig. 1. 



2,a. Aucella piochii Gabb. View of exterior of left valve; altitude, 27 

 mm. Bull. U. S. Geol. Survey, No. 133, 1895, pi. iv, fig. 6. 



2,b. Exterior of right valve of same specimen. Op. cit., pi. iv, fig. 7. 



