PLATE 33 



Fig. I. Oestophorus lilleyi (Newberry). Fragmentary plate showing character- 

 istic arrow-head-like ornamentation. X 2^. Conodont bed. E 2012, p. 105. 



Fig. 2. Holonema sp. Cast of a fragmentary plate, remarkable for its thickness 

 (over I cm.). Natural size. E 2512, p. 104. 

 Original in private collection of Mr. Edgar E. Teller, Buffalo, N. Y. 



264 



