MONOGRAPH OF THE EXISTIHTG CRINOIDS. 



405 



Figs. S31-848. — Side and coveking. plates of vamous comathlids (drawings by adthob). 831. 1'ach,y- 



LOMETHA DISTINCTA, 832. VENTRAL VIEW OF TOKTION OF PINNULE OF SAME. SHOWING SIDE AND COVBKINO 

 PLATES, THE LATTER CLOSED DOWN OVER AMBnLACRAL GROOVE. 833. SAME, SIDE PLATE VIEWED FROM 



INTERIOR.- 834. Same. 835. Neometiia alecto. 836. Same, side pl.vte viewed from interior. 

 837. Same, outline ok covekino plate. 838. Neometra cox.»minis. 830. Neo.metra gorgoxia. side 

 and covering plate. 840. Same, side plate viewed from interior. 841. Same, outline of covering 

 plate. 842. Same, two side plates in dors.u. (end) view, aith .\ .sacculus between them. 843. 



COSMIOMETBA CRASSICIRRA. 844. SA.MB. 84.'>. SAME, ISOLATED SUITLEMENTARY .SIDE PLATES. 84(1. SaME, 

 outline of COVERING PLATE. 847. SAME, SIDE PLATE VIEWED FROM INTERIOR. 848. SAME. ALL X 100. 



