PLATE 102. 



Blothrophyllum liratum, Nov. Spec. Devonian. 



1. View of the calyx of the corallum figured in Plate 97, Fig. 1. 



Aulacophyllum conigerum, Nov. Spec. Devonian. 



2. Left lateral view of a flexuous corallum, from the dark-red clay 



of the Upper Devonian encrinal limestone, near Louisville. 



3. View of the calyx and oblique anterior view of a corallum (in- 



verted), from the same horizon and neighborhood. 



Acrophyllum clarki, Nov. Spec. Devonian. 



4. View of the calyx of corallum figured in Plate 97, Fig. 3. 



5. View of the calyx of corallum in Fig. 4, Plate 97. 



6. View of the calyx of corallum in Fig. 5, Plate 97. 



7. View of the calyx of corallum in Fig. 6, Plate 97. 



Blothrophyllum zaphrentiforme, Nov. Spec. Devonian. 



8. Left lateral view of a corallum of average size. 



9. Similar view of a corallum. 



10. Right lateral view of a corallum. 



11. Left lateral view of a stout corallum. 



12. Right lateral view of a corallum. 



13. Right lateral view of a corallum, whose epitheca has been fortui- 



tously removed. 



14. Right lateral view of a corallum of gigantic dimensions. 



15. 1(3. Views of calyces of coralla (inverted). 



The examples of this species figured, with the exception of ex- 

 ample 14, which is from Crab Orchard, are from the horizon 

 and vicinage of Aulacophyllum conigerum. 



The specimens figured in this Plate belong to the collection of the 

 author. 



