FROM THE ZONE OF AMMONITES ANGULATUS. 49 



14. Septastrcsa excavafa,J)e,~E]:om.. 



15. Isasfrcea Condeana, Chapuis et Dewalque. 



16. „ Sinemuriensis, J) eVrom. 



17. StylastrcBa Sinemuriensis, De From. 



18. „ Martini, De From. 



19. Astrocoenia Sinemuriensis, D'Orb. 



20. „ davellata, Terquem et Piette. 



Probably some of the species of Montlivaltia wilt have to be absorbed by others, but 

 this list, when added to the Table of British Corals from the Zone of Ammonites angulatus, 

 proves that, instead of the Lias being an uncoralHferous series, it was quite the contrary. 

 The great development of Coral-life in the Azzarola series, the scanty remains of it in the 

 western and north-western European Avicula contorta Zones and in the White Lias and 

 in the Zone of Ammonites planorbis, and the luxuriance of the species in the Zone of 

 Ammonites angulatus, are very significant facts ; and the significance is not diminished when 

 the paucity of the species of the Ammonites BucJclandi Zone and their distinctness from 

 those of the Zone of Ammonites angulatus is considered. 



Xn. List of Species of Corals from the Continental and British Strata of the 

 Zone of Ammonites angulatus. 



1 . Oppelismilia gemmans, Duncan. Ireland. 



2. Montlivaltia Wallim, „ South Wales. 



3. — MurcJiisonice, „ „ 



4. — Buperti, „ England. 



5. — parasitica, „ South Wales. 



6. — ' simplex, „ >, 



7. ■ — brevis, „ ,> 



8. — pedunculata, „ „ 



9. — polymorpha, Terquem et Piette. South Wales ; East of France. 



10. — i/"ttOTei, Chapuis et Dewalque. England ; Ireland ; Luxembourg ; 



France. 



11. — Hibernica, Duncan. Ireland. 



12. — papillata, „ England; Ireland. 



13. — Sinemuriensis, D'Orb. France. 



14. — dentata,De~Emm.et'FeYTLj.„ 



15. — denticulata, „ „ 



16. — BJiodana, „ » 



17. — Martini, „ » 



