Plat. 



686 



conglomerate (e). No plants appear in this middle division of 

 the section. (Report I, p. 53.) X. 



Platycrinus bedfordensis, Hall & Whitf. Pal. Ohio, Vol. 



2, 1875, page 161, 

 plate 13, fig. 4, part 

 of a stone surface 

 in which the cri- 

 noids are imbedded 

 and partly cov- 

 ered by a pyritifer- 

 ous shale ; body 

 plates apparently 

 smooth; column 

 somewhat fi v e - 

 sided, and decid- 

 edly spinode on 

 the edge of the 

 plates; closely re- 

 sembles P. loden- 

 sis of the Waverly, 

 but is more robust, 

 and its arm plates 

 extend clear across 

 the arm. Upper 

 part of Erie shale^ 

 at Bedford, O. — 

 VIIL 



Platycrinus burlingtonensis. Owen & Shumard, Ge- 

 ology of Wisconsin, Iowa & Minnesota, 1852, 

 plate 5A, fig. 5, from the (Subcarboniferous) 

 Burlington limestone, XI. 



