University Geological Survey of Kansas 



Volume VI. Plate XX. 



ALLORISMA 1,6, 1". 12. 

 KACBODON, 2, 13. 

 SEDGEWICKIA, :i. 



YOLDIA, 4 v 



BDMONDIA, :.. NUCULA, 15. 



PLEUBOPHOBUS, 7, 11. fVPRK'ARDINIA, 16. 



CONOCABDIUM CABDIOMOBPHA, 17, 



NUCULANA, i». PLACUNOPSIS, In 



