Echinoderms — Fig 573, Poteriocrinus Missouriensis ; 574, Actinocrinus proboscidians ; 575, Do - 

 rycrinus unicornis ; 576, Zeacrinus elegans ; 577, Batocrinus Christyi ; 678, Plntycrinus SafiFordi ; 

 579, the proboscis of Batocrinus longirostris ; 680, Pentremites pyriformis ; 581, 582, P. Godonii 

 (florealis); 583, Archseocidaris Wortheni; 584, 584 a, A. Shumardana ; 585, A. Norwoodi. 



Figs. 586-587. 



Echinoid8. — Fig. 586, Oligoporus nobilie (X K)j 687, Melonites multipora, view of top (X 2). 



