PLATE V. 



Figure 1. Peripnetjstes insignis, Duncan and Sladen (page 42). The test, side view. 



2. Abactinal view. 



3. Apical system, magnified. 



4. A part of a posterior ambulacrum and f asciole, magnified. 



5. ScHizASTER Baluchistanensis, variety (page 38). Abactinal view. 

 '6. Side view. 



7. Actinal view. 



8. Apical system and ambulacra, magnified. 



9. Large specimen (page 41), with the posterior keel worn off. 



