108 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



PLATE 8. 



CHico (upper cretaceous) fossils. 



(Unless otherwise stated, all figures are natural size.) 



PAGE 



Macrucallista cordata, new species. 62 



Fig. 1. Exterior of left valve; long. 39 mm., alt. 31 mm. Loc. 2, 

 L. S. J. U. Pal. Coll. 



Glycimeris veatchii Gabb. 61 



Fig. 2. Small left valve ; long. 25 mm., alt. 25 mm. Loc. 3. 

 Fig. 7. Large right valve ; long. 76 mm., alt. 76 mm. Loc. 3. 

 Fig. 8. Large left valve ; long. 65 mm., alt. 68 mm. Loc. 3, L. S. 

 J. U. Pal. Coll. 



Isocardia chicoensis, new species. 62 



Fig. 3. Left valve ; long. 32 mm., alt. 38 mm. Loc. 2, L. S. J. U. 

 Pal. Coll. 



Crassatcllites tuscanus Gabb. 59 



Fig. 4. Left valve ; long. 43 mm., alt. 29 mm. Loc. 2, L. S. J. U. 

 Pal. Coll. 



Dosinia milthoidea, new species. 60 



Fig. 5. Left valve ; long. 29 mm., alt. 30 mm. Loc. 2, L. S. J. U. 

 Pal. Coll. 



Trigonia evansana Meek. 65 



Fig. 6. Right valve; width 40 mm. Loc. 2, L. S. J. U. Pal. Coll. 



Inoceramus whitneyi Gabb. 62 



Fig. 9. Left valve ; length 45 mm., width 35 mm. Loc. 3, L. S. 

 J. U. Pal. Coll. 



Crassatellites uvasana Gabb. 57 



Fig. 10. Right valve, small specimen, Xt^; length 25 mm. Loc. 3, 

 L. S. J. U. Pal. Coll. 



Mactra gabbiana Anderson. 63 



Fig. 11. Left valve; long. 27 mm. Loc. 3, L. S. J. U. Pal. Coll. 



CucuUaa yoiingi. new species. 59 



Fig. 12. Large right valve, X/^; long. 80 mm., alt. 75 mm. Loc. 2, 

 L. S. J. U. Pal. Coll. 



Chione varians Gabb. 56 



Fig. 13. Right valve; long. 40 mm., alt. 32 mm. Loc. 3, L. S. J. U. 

 Pal. Coll. 



