314 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [JuUC 1, 



3. Leperditia baltica, Hisinger, sp. ; var. arctica, Jones (L c. pi. 5. 



fig. 13). Also a Gothland fossil. Mr. T. R. Jones considers 

 it to be a variety only. 



Mollusca. 



4. Lituites, n. sp. Allied to L. articulatus. Sow., but with more 



numerous w^horls. 



5. Orthoceras Ommanneyi, n. sp. {I. c. pi. 5. figs. 16, 17). 



6. , species, with distant septa and central siphuucle. 



7. , species, imperfect, but distinct from both the preceding. 



8. Murchisonia, sp. {I. c. pi. 5. fig. 18). Very like M. gracilis, Hall. 



9. , larger species, with numerous whorls {I. c. pi. 5. fig. 19). 



10. Euomphalus, a small species. 



1 1. Modiola (or Modiolopsis). An oval and flattish form. 

 N 12. Strophomena Domieti, n. sp. {I. c. pi. 5. figs. 11, 12). 



13. , sp. The same as at Leopold's Island. 



14. Orthis ; large flat species. Griffiths' Island. 



15. Spirifer crispus, Linn. 1 {I. c. pi. 5. fig. 8). It may be the young 



of the next. 



16. , a species very like S. elevatus, Dalm. 



17. Chonetes lata. Von Buchi Not perfect enough to identify. 



18. Pentamerus conchidium, Dalm. {I. c. pi. 5. figs. 9, 10). Both 



coarse-ribbed and fine-ribbed varieties : larger than ordinary 

 Gothland specimens. 

 -/ 19. Rhynconella Phoca, n. sp. {I. c. pi. 5. figs. 1-3). Allied to T. 

 eamelina, Von Buch, but with a narrow sulcus down the larger 

 valve. 



20. -: , sp. (I. c. pi. 5. fig. 4). An ordinary plaited species. 



Radiata. 



Encrinites are so abundant at Cape Riley, that in several places 

 the rock is composed entirely of their detritus. A species of Acti- 

 nocrinus is the only fragment at all recognizable. 



Corals are very abundant, twenty or more species having been ob- 

 served. Among them there are — 



21. Ptychophyllum. A fine fossil, three inches across. 



22. Cystiphyllum. 



23. Cyathophyllum. 



24. Strephodes Pickthornii, n. sp. (I. c. pi. 6. fig. 5). Single calices, 



plentiful. 



25. ? Austini, n. sp. (/. e. pi. 6. fig. 6). A large aggregate coral, 



very abundant, and like the AstrecB of the present seas. It 

 is possibly a Clisiophyllum. 



26. Clisiophyllum, sp. (1. c. pi. 6. fig. 7). A beautiful coral. 



27. Aulopora, sp. Too imperfect to identify. 



28. Favistella reticulata, n. sp. (I. c. pi. 6. fig. 2). Like F. stellata. 



Hall, but with much shorter lamellse. 



29. ■ Franklini, n. sp. {I. c. pi. 6. fig. 3). Lamellse quite rudi- 



mentary. 



