1 12 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4rH Ser. 



PLATE 10. 



MARTINEZ (lower EOCENE) FOSSILS. 



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



PAGE 



Lima perrini Waring. 76 



Fig. 1. Right valve. XVs; alt. 170 mm., long. 160 mm. Loc. 4, L. S. 



J. U. Pal. Coll. 

 Fig. lA. Cross section of shell, X2, showing arrangement of 



nacreous and outer prismatic layers. Loc. 4, L. S. J. U. 



Pal. Coll. 



Fig. 2. Inside cast of left valve, XVs- Loc. 4, L. S. J. U. Pal. Coll. 



G!yci)iien's vcatchi major Stanton. 75 



Fig. 3. Right valve of small specimen, X/^- Loc. 4, L. S. J. U. 



Pal. Coll. 

 Fig. 4. Left valve of small specimen, X/^. Loc. 4, L. S. J. U. 



Pal. Coll. 



