PLATE XXIV. 



PAGE 



Caidophacus latus, F. E. S., . . . 124 



Fig. 1. Vertical section of a somewhat damaged specimen, preserved in alcohol ; 

 natural size. 



Fig. 2. Vertical section through the marginal portion of the specimen shown in 

 fig. 1 (combination figure) ; x 30. 



Fig. 3. Part of a longer autodermal pentact pinulus ; x 100. 



Fig. 4. Discohexaster with principal and terminal rays of equal length ; x 100. 



Fig. 5. Autogastral pentact pinulus ; x 100. 



Fig. 6. Part of the discohexaster shown in fig. 4 ; x 450. 



Fig. 7. Discohexact with echinated rays ; x 100. 



Fig. 8. Oxyhexaster; x 100. 



Fig. 9. Interior part of an autogastral exceptionally hexact pinulus ; x 100. 



Fig. 10. Autodermal hexact pinulus; x 100, 



