23 



Spong-iae. 



Ferd. Roemer. Die fossile Fauna der Silurischen Diluvial Geschiebe von Sade- 

 witz 1861. 

 » Silurische Fauna des westlichen Tennesee. 



•J. G. HiXDE. Catalogue of the fossil Sponges of the Geolog. Dept. Brit, Mu- 

 seum, 1883. 

 » A Monograph of the British Fossil Sponges. 1887. 



1. Hindea fibrosa Ho em. p. p, 



2. Aulocopium diadema Ferd. Roemer bc 



3. variabile Martin. c 



4. ? hemisphtericum F. Roem C 



6. cylindricum F. lloem. C 



6. Astylospongia praemorsa Goldf. bc 



7. gotlandica Schliiter. 



8. castauea F. Roem. * 



9. Roemeri Hi ride. 



10. inciso-lobata F. Roem. 



11. Astraeospongia meniscus F. Roem b 



12. patina F, Roem C — f 



13. Ischadites Konigi Murch. .-. C 



14. Lindstromi Hinde C 



15. Trochospongia (an cyathophylloides F. Roem. P) C 



Incertae Sedis. 



1. Girvanella sp. C 



2. Arthraria sp. (Billings Palaeoz. Foss. Canada). C 



