PLATE XLIV. 



Page 

 DoRTCRiNus ixTERMEDius Meek and Worthen 46] 



Fig. 1. Specimen with arras, spines, and stem. 



DoETCRiNus MississippiENsis Roemer 455 



2. Posterior side of the calyx. 



3. Ventral aspect of a specimen with long spines. 



DoRYCRiNus GouLDi (Hall) 456 



4. A specimen having the arms and portions of the spines preserved (from 



Indian Creek, Ind.) 



5. Anterior view of the calyx. (Specimen from Kentucky.) 



DORYCRINUS CORNKiERUS (Hall) 458 



6. Dorsal aspect of the calyx. 



7. Ventral aspect of another specimen. 



AoROCRixtJS spiNosuLus (Hall) 478 



8a. Posterior side of the calyx. 



Hb. Ventral aspect of the same specimen. 



Eretmocrixus remibrachiatus, var. expansus W. and Sp. . . . 390 



9. A large specimen, showing the calyx, anal tube, and the infolding of the 

 arms. 



(All the specimens in the collection of Wachsniuth and Springer.) 



