Puatr 67. 
1-5. Hchinocrepis setigera A. Ag.; Station 5399. 
Denuded test of specimen 92 mm. in length (PI. 66, fig. 1), seen from the actinal side. 
The same specimen, seen from the abactinal side (Pl. 66, fig. 2). 
The same, seen in profile facing the left posterior interambulacrum (Pl. 66, fig. 3). 
’ 8 i » OS 
End view of same specimen, facing the odd anterior ambulacrum. 
End view of same specimen, facing the anal system and the odd interambulacrum. 
