MONOGRAPH OF THE EXISTING CRINOIDS. 



425 



FIGS. 868-873. SIDE AND COVERING PLATES OF CALYPTOMETRA LATERALIS (DRAWINGS BY AUTHOR). 868. 

 OUTLINES OF six COVERING PLATES. 869. FIVE SIDE AND COVERING PLATES. 870. SAME. 871. SAME, 



FROM BASE OF PINNDLE OVER GENITAL GLAND, SHOWING SUPPLEMENTARY SIDE PLATES WITHOUT 

 COVERING PLATES. 872. SIDE PLATE, VIEWED FROM INTERIOR. 873. SIDE PLATE VIEWED VENTRALLY. 



ALL x 100. 



