Plate 6. 



Fig. 



1. 



2. 

 3. 

 4. 



6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 



Bathydorus levis sjiinosus. From a photograph; {. 



Autogastral hexact ; x 300. 

 Fan'ea occa clavlformis. From a photograpli ; {. 

 Staurocali/2)tus, sp. Irregular discoctaster ; x 300. 



" " Paratropal, jiaratangential ra^'s of prostal pentact; from 



above ; x 100. 

 Staurocalyptiis, sp. From a photograph ; }. 



" " Part of a paratropal ray of prostal pentact ; x 400. 



" " Discoctaster with two accessory rays ; x 300. 



" " Oxyhexaster ; x 600. 



" " Discoctaster ; centrum and three rays ; x 450. 



Farrea occa claviformis. Uncinate; the two ends of same spicule ; x 450. 

 " " " Gastral clavula ; from above ; x 450. 



" " " Gastral clavula; lateral view; x 450. 



" " " Gastral clavula ; lateral view; x 450. 



