EXPLANATION OF PLATES. 



PLATE 57'. PAGE 



ACTINOCRINUS MULTIRAMOSUS, Var. Altidorsatos, N. Var. TRowley.) 187 



FIG. 1 — Side view of the type of the new variety, showing the calyx, 

 a short piece of the column and the arms. 



FIG. 2 — Anal side view of the same, with the arms broken away, 

 showing the ventral disk, proboscis and pinul£e. 



BATOCRINUS SPERGENENSIS, Miller, Rowley. 188 



FIGS. 3-4: — Side and dorsal views of a fine body. 



TRICAELOGRINUS WOODMANI, M. & W., Rowley. 189 



FIGS. 5-6-7-8 — Two side, dorsal and ventral views of a good specimen. 



PENTREMITES KONINCKANUS, Hall, Rowley. 190 



FIGS. 10-11 — Two side views of an abnormal specimen. 



NUCLEOCRINUS ANGULARIS, Lyon, Rowley. 190 



FIG. 12 — Ventral view of a specimen with six radials. 



NUCLEOCRINUS IMITATOR. Rowley. 191 



FIGS. 13-14-15 — Side, ventral and dorsal views of a nice specimen. 



DOLATOCRINUS EXCAVATUS, W. & Sp. Rowley. 191 



FIGS. 16-17-18 — Basal views of three different specimens, abnormal 

 in the number of radial plates. 



NUCLEOCRINUS LUCINA, Hall, Rowley. 192 



FIGS. 19-20 — Side and basal views of the same specimen. 



