PRCC. A. N. S. PHILA. 1879 (PL. XVI.). 



/>/.#. 



a 



0/z 







/ 



o# 





O 



AW 





x. 



A 



\ a Da 



#0p. 



<> 





i#i. 



<&^&<<&:< 







o< 



^T#V 



* 



y J\ r 



*\\L\\*>\ \ ( U. 



^^ icT9 



<?. 



<><> <3> <S> O 



THEHELICTYFEFRffiTIIiCsCi;. 220 DESOHoKESST .C'jSTOH 



WACHSMUTH AND SPRINGER ON CRINOIDEA. 



