20 



4. Retiolites Geiuitzianus Barr. 

 5 — 6. Dictyonema sp. novae. 



Spougiie, 



1. Hindea fibrosa Roem. p. p. 



2. Aulocopium diadema Ferd. Roemer. 



3. variabile Martin. 



5. ? hemisphsericum F. Roem. 



5. cyliudricum F. Roem. 



6. Astylospougia praemorsa Goldf. 



7. Gotlandica Schliiter. 



8. castanea F. Roem. 



9. Roemeri Hinde. 



10. inciso-lobata F. Roem. 



11. Astrseospongia meniscus F. Roem. 



12. patina F. Roem. 



13. Iscliadites Konigi Murch. 



14. Lindstromi Hinde. 



Incertae sedis. 



Coeuostroma discoideum Lonsdale. 

 Idiostroma sp. 

 Stromatopora sp. 



Recapitulation. 



Species 



Scorpionida 1 



Crustacea 112 



Annelida '. 50 



Cephalopoda at least 100 



Pteropoda 7 



Gastropoda 180 



Lamellibranchiata about 80 



Brachiopoda 150 



Bryozoa about 50 



Asteroidea et Echinoidea 4 



Crinoidea 180 



Anthozoa about 110 



GraptolitbaB _'. 6 



■'^pongipe about 20 



Incertfie sedis 10 



Total 1,050 species. 



Stockholm, Sept. lO^'^- 1)S85. fetX^ 



G. Lr/idstro))i. 



