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



PLATE 12. 



MARTINEZ (lower EOCENE) FOSSILS. 



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



PAGE 



Trochocyathus aitteli Vaughan. 73 



Fig. 1. Side view of sandstone cast. Loc. 5, L. S. J. U. Pal. Coll. 



Lyria hannibali, new species. 84 



Fig. 2. Back view. 

 Fig. 3. Front view, showing plications. Loc. 4, L. S. J. U. Pal. Coll. 



Pseudoliva hoiimrdi (Dicker son). 86 



Fig. 4. Front view, showing body whorl grooves. Specimen slightly 



distorted. 

 Fig. 9. Back view. Canal defective. Loc. 4, L. S. J. U. Pal. Coll. 



Fasciolaria mucronata Gabb. 83 



Fig. 5. Back view. End of canal defective. Loc. 5, L. S. J. U. Pal. 

 Coll. 



Lamna ( ?) ciavata Agassiz. 89 



Fig. 6. Side view of specimen. Loc. 4, L. S. J. U. Pal. Coll. 



Olivella spissa, new species. 85 



Fig. 7. Front view. Loc. 4, L. S. J. U. Pal. Coll. 



Ficus plectatus, new species. 83 



Fig. 8. Back of specimen. Loc. 4, L. S. J. U. Pal. Coll. 



Turritella moccreadyi Waring. 87 



Fig. 10. Front of large specimen. Loc. 4, L. S. J. U. Pal. Coll. 



Kingena simiensis, new species. 73 



Fig. 11. Dorsal view. Loc. 4, L. S. J. U. Pal. Coll. 



Leda alcpformis Gabb. 76 



Fig. 12. Right valve. Loc. 4, L. S. J. U. Pal. Coll. 



Miltha parsonsi, new species. 78 



Fig. 13. Right valve, XVs- Loc. 4, L. S. J. U. Pal. Coll. 



Cucullcca matheufsonii Gabb. 75 



Fig. 14. Exterior of small left valve, XVs- Loc. 4, L. S. J. U. Pal. 



Coll. 

 Fig. 18. Exterior of left valve, X^. Loc. 5, L. S. J. U. Pal. Coll. 

 Fig. 19. Exterior of right valve, X^. Loc. 5, L. S. J. U. Pal. Coll. 



Turritella rez'ersa, new species. 88 



Fig. 15. View of imperfect specimen. Loc. 4, L. S. J. U. Pal. Coll. 



Crassatellites grandis Gabb. 74 



Fig. 16. Left valve, X^- Loc. 4, L. S. J. U. Pal. Coll. 



Pholadoniya nasuta Gabb. 72 



Fig. 17. Left valve with posterior margin broken off, X^- Um- 

 bone of right valve shown. Very characteristic of the 

 Martinez. Loc. 4, L. S. J. U. Pal. Coll. 



Turritella pachecocnsis Stanton. 88 



Fig. 20. Back view of specimen from Martinez boulder in conglom- 

 erate of the Topa Topa east of McCray wells. Loc. 8, 

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



