863 



FIGS. 859-867. SIDE AND COVERING PLATES OP VABIODS COMATULIDS (DRAWINGS BY AUTHOR). 859. OCBANO- 

 METRA GIOANTEA ; OUTLINE OF LOWEB HALF OF SUPPLEMENTARY SIDB PLATES REPRESENTS BOUNDARIES 

 OF MASS OF SPICULES ( SBH FIG. 864). 860. SAME; SUPPLEMENTARY SIDE PLATES ARE NOT DIVIDED. 

 861. SAME, SIDE PLATE VIEWDD FROM INTERIOR, SHOWING BRIDGES AND PROXIMAL PCKET. 862. SAME, 

 SIDE PLATE VIEWED FUOM INTERIOR, DORSOVENTRAL KIDGE BROADENED TO FORM DEEP POCKET. 863. 

 SAME, VENTRAL VIEW OF SIDE PLATE WITH DETACHED DISTAL PORTION. 864. SAME, ISOLATED SUPPLE- 

 MENTARY SIDE AND COVERING PLATES. 865. SAME, OUTLINES OF FIVE SUPPLEMENTARY PLATES I LOWER 

 HALVES ARE COMPOSED OF FEW VERY LARGE RETICULATIONS. 866. SAME, ISOLATED SUPPLEMENTARY 



PLATE. 867. CROSSOMETRA HELIUS. ALL X 100. 



419 



