In 1934^I described tlie new erinoid oemis Corynecnnus. for the reception of which and one other genus {Lecyfhoerhuis J. Miiller) I proposed the family Lecvthocrinidae in the order Inachmata. Both genera are of Devonian age. one from Europe and one from the L'nited States. I am now able to add anotlier genus to this family, coming from the Mississippian (upper Borden) of Indiana. CESTOCRINUS, new genus Genotype. -Cestocrhius striatus. new species. Generic diagnosis. -Crown. SnbcylindricaL

more »

... cup. Campanulate to urn-shaped. IBB. Five. Large, approximately one-third the height of the dorsal cup. BB. Of medium size, except post B, which is very large, extending to the level of the arm bases and supporting two tube plates. RR. Relatively small. Arm facets elevated above level of plates, horseshoe-shaped, and approximately one-half Avidth of radial at that level. Arms. Relatively slender, composed of subcylindrical, long Br.