BULL. GEOL. SOC. AM. 



VOL. 27, 1915, PL. 30 



Jr 



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Figure 1. — Small left Valve op Pseudomoxotis subcircularis (Gabb) 

 Prom Brock shale, one mile south of Mewittapom Mountain. Redding- quadrangle, California 



Figure 2. — Large right Valve op Pseudomoxotis subcircularis (Garb) 

 From Brock shale, one mile south of Mewittapom Mountain, Redding quadrangle, California 



Figure 3. — Daoxella sp. cf. Daonella lommeli Wissmax 

 From Middle Triassic slates on southeast slope of Brooks Mountain, Seward Peninsula, Alaska (5654) 



TRIASSIC FOSSILS FROM ALASKA AND CALIFORNIA 



