1762 



THE VOYAGE OF H.M.S. CHALLENGER. 



II. List of Fossil Radiolaria (probably Jurassic) found in the " Diaspridella Toscana," 

 and described in 1880 by Dante Pantanelli (L. N. 36). {Compare § 243, 

 Note B, p. clxviii). 



The figures are too small and too incomplete for certain determination. 



I. Spumellaria. 



1. Ethmosph(sra minuta. 



2. EthmosphcBra vidgaris. 



3. UthmosphcBra siphonophora. 



4. Heliosphcera echinoidites. 



5. RhapMdococcus lusianensis. 



6. Heliodiscus simplex. 



7. Histiastrum lusianense. 



8. Trematodiscus soritoides. 



9. Euchitonia muellerites. 



10. Euchitonia amcena. 



11. Euchitonia clathi'ata. 



12. Euchitonia ci^evolensis. 



13. Euchitonia grandis. 



14. Euchitonia dubia. 



II. Nassellakia. 



15. Lithocircus haeckelii. 



16. Lithocircus truncatus. 



1 7. Lithocircus rhombus. 



1 8 . Cornutella pseudoprofu nda. 



1 9 . Cornutella pse udoclathrata. 



20. Lithopera ovata. 



21. Lithopera elongata. 



22. Polystichia ehrenbergii. 



23. Polystichia haeckelii. 



24. Polystichia muelleri. 



25. Urocyrtis emmce. 



26. Urocyrtis amalice. 



27. Urocyrtis stephanii. 



28. Adelocyrtis cometa. 



29. Adelocyrtis pala. 



30. Adelocyrtis spinosa. 



