78 A FOSSIL MARINE DI ATOMACEOUS DEPOSIT. 



A. Greuillei, Jan. ("Guano," p. 163, PI. II., Fig. 11).- Typi- 

 cal, scarce. 



A. (prui7iosus var. ?) confluens, Grun. (A. Sch. " Atl.," PI. 32, 

 Figs. 6-8.) — Scarce. 



A. Hardmanianus, Grev. (" T. M. S.," Vol. xiv, p. 6, PI. 2, Fig. 

 17). — Small specimens occur rarely. 



Clavicula aspicephala, Pant. ("Diat. Hungary," PI. 2, Fig. 15). 

 — Several fragments of this species have been observed. 



PLATE V. 



Fig. 1. Trinacria ventricosa, n. sp., Gr. and St., primary valve, 4 $°. 

 „ 2. „ „ „ „ secondary valve, 5 |°. 



3. „ „ „ „ frustular view, 4 £°. 



4. Triceratium rugosum, n. sp., Gr. and St., 4 f°. 



5. Actinoptychus vulgaris, Schura., var. maculata, Gr. and St., 4 ^°. 



6. Craspedoporus elegans, n. sp., Gr. and St., r ^°. 



7. Stictodiscus calif omicus, Grev., var. nitida, Gr. and St., 4 f°. 



8. Porodiscus interruptus, n. sp., Gr. and St , 5 ,^°. 



9. Coscinodiscus elegans, Grev., var. spinifera, Gr. and St., 6 ^°. 



10. Pyxilla Johnsoniana, Grev., fruetular view, 4 ^°. 



PLATE VI. 



11. Navicula definita, n. sp., Gr. and St., 4 j°. 



12. Nitzschia antiqua, n. sp., Gr. and St., 3 ^°. 



13. Rutilaria (epsilon var.?) tenuis, n. sp., Gr. and St., 8 y°. 



14. Triceratium papillatum, n. sp., Gr. and St., 5 £°. 



15. T. bimarginatum, n. sp., Gr. and St., 7 ^-°. 



16. T. auliscoides, n. sp., Gr. and St., 7 ^°. 



17. Hemiaulus amplectans, n. sp., Gr. and St., *^°. 



18. H. ornithocephalus, Grev., var. side view, 8 ^°. 



19. „ „ frustule, 6 ?°. 



20. Anthodiscus fioreatus, n. sp., Gr. and St., 5 f °. 



21. Cosmiodiscns Normanianus, Grev., 6 ^°. 



22. Biddulphia pedalis, n. sp., Gr. and St., 4 y°. 



23. Kittonia virgata, n. sp., Gr. and St., 8 ^°. 



24. Eunotogramma ! 1 bivittata, Grun., 5 ^°. 



25. Anaulus birosfratus, Grun., 5 °°. 



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