I 



ns. Ey- Soc. Edin"^'- 



Vol. XLIX. 



F. A. Bather : Caradocian Cystidea. — Plate Y. 



■In« I'll 



Pleubocystis Eugebi (67 — 69), P. anglica (60 — 62), P. proceba (63). 



Stereoecopic Co.. Collotype, I/ondon. 



