739 



POTER. 



111%. 



view of body, column and arms (except their slenderer snbdi- 

 Yisions); 6, x^,part of column; o, x4, subdivisions of arms ; d^ 

 hind view. Of this fine species of coral. Meek had nine ex- 

 amples of the body, etc , for study, all from the typical locality, 

 near Lebanon, O. — Hudson river formation. Ill h. 



Poteriocrinites (Dendrocrinus) caseyi, Meek, Am. Jour. 



2 1^. S. & A. [3] Vol. 2, 

 ^^ u 1871.— Pal. Ohio, Vol. 

 1, 1873, page 28, plate 

 3 his^ fig. 2a, front view 

 ^^ of body. The large 

 ventral prolongation is 

 ^iftt^'^^im^^^l imperfectly seen, like 

 So> 26"'**'^*^^ "^^; - - ' (/^A//jf/f,y arms above, composed 



^^ ^, ^ '*~-"'*«feil^ . . -^' of small pieces marked 



Pai,6hi0. Vol.1, PLllliisr^^T' ^j^ij li^^i^ ridges ar- 

 ranged zigzag ; 25, end view of pentagonal column ; 2c, back 

 view of a young specimen. The ventral prolongation is more 

 than five times as long as the body itself (equal the length of 

 the arms), and, as seen flattened, of greater breadth than the 

 body ; body resembles that of Palceocrinus angulatus, Billings, 

 with diiferences. Meek says in a foot note that PalcBecrinus 

 will probably give way to Cyathocrinites. Cincinnati {Hudson 

 river) formation^ in Ohio and Indiana. — /// Is, 



Poteriocrinites (Dendrocrinus) cincinnatiensis, Meek. 



UtkJcLi.Oho ^'^\~ ^^^ Proc. Academy Nat. Sc. 



^ Phila., 1872.— Pal. Ohio, 

 Vol. I, 1873, page 20, 

 plate 3 J^5, fig. 5 a, rear 

 view of body, arms and 

 column; 5, same of smaller 

 specimen without arms. Close to P, gracilis.^ Hall, (Pal. N. Y. 

 Vol. 1) "found in New York only at the base of the Trenton; 

 but P, cinciyinatiensis is known only from the middle and up- 

 per Cincinnati strata. III h, 



Poteriocrinites (Dendrocrinus) dyeri, Meek, Proc. Acad. 

 Nat. Sci. Phila. 1872, Cincinnati group. Yd\. Ohio, Vol. 1, 1873, 

 page 24, plate 3 his. fig. 3, a,^ 5, side views of two specimens, the 



