PLATE IV 



Fig. I. Cladaster analogus, type, abactinal view, x i-2. 



Fig. 2. Cladasier analogus, type, actinal view, x i-2. 



Fig. 3. Cladaster analogus, type, X20; a plate and pedicellaria of 



actinal interradial region. 

 Fig. 4. Hippasteria falklandica, type, zctinal view, xo-85. 

 Fig. 5. Notioceramus anomalus, type, abactinal view, x i-66. 



