EXPLANATION OF PLATE 2. 



Page. 



Fig. 1. Caryocrinus globosus Troost, side view 11 



2. Caryocrinus bulbulus Miller and Gurley, side view of the specimen 



described by Troost as Caryocrinites hexagonus • 11 



3. Caryocrinus milligani Miller and Gurley, side view of a large individual. 



This is from Troost 's type of Caryocrinites meconideus : 10 



4. 5. Top and side views of the same specimen. 



6. Top view of another specimen. X2. 



7, 8. Side and top views of the form described by Troost as Caryocrinites 



granulatus 10 



9. Side view of a young individual described by Troost as Caryocrinites 



insculptus 10 



10. Pentremites elegans Lyon, side view of the specimen described by 



Troost as Pentremites tennesseese . X 1 J 14 



11. 12. Basal and top views of the same specimen. 



13. Pentremites pyriformis Say, side view. X1J 13 



14, 15. Basal and top views of the same specimen. X1J. 

 120 



