Proceedings Nat. Mns., 1879. C. A. "White. 



Plate 1. 



o 



owe 



1, 2, and 3.— Acervularia adjunctiva. 



4 and 5. — Lkcythiocrinus olucul^formis. 

 6 and 7. — Krisociunl's planus. 



8. — POTERIOCRINUS IIEMISPIIERICUa. 



9 and 10.— Cyathocrikus stillativus. 

 H and 1'2.— Rhodocrinus vesi'Eralis. 

 13, 14, and 15.— Arch.eocidauis urNiNNii. 



