Plate I. 



Fig. I. Spatatigus alhis Ltk. Type-specimen, actiual side. 7i- 



— 2. — — — abactinal side, '/i- 



— 3. — — — side view. '/j. 



— 4. — Raschi, the abactinal side. '/i. 



— 5. — — - actinal — '/i. 



— 6. Brisaster (Schizaster) fragilis, abactinal side. (Specimen from the «Ingolf»-St. 35.) '/j. 



— 7. — — — abactinal side. (Specimen from Bergen.) '/i. 



