Myrtillocrinus (?) LEVIS (Wood). 



Same horizon and locality as last. 



Fig. lOa. The specimen described as Triplcurocrinus Irri.i, probably of this genus, having a 

 tripartite axial canal; the dorsal canal in radials seems double. V. S. National 

 Museum. 

 lOfc. Cross section of stem. 



DiMEROCRINUS SPINIFERUS, 8p. nOV. 



Hamilton Group, Middle Devonian, Clark Co., Indiana. 



Fig. llf(. Posterior view of calyx of only specimen found. 

 11/;, f, (I. .\nterior, basal, and tegmenal views of same. 



DORYCRINUS DEVONICUS, Sp. IIOV. 

 Same horizon and locality as last. 



Fig. 12f7. Posterior view of calyx, showing .sockets of two sets of perforated spines. Mus. 

 l^niversity of Chicago. 

 \2h, c, d. Anterior, basal, and tegmenal views of same, 

 b'?. L. ant. interradial view of larger specimen. 



