Piicht & Crone fot. 
Ljusln AJ3. Ln*rclius .} \Vcslphol. Stockh. 
1 — 2 . Ctenocidaris speciosa Mrtsn. 
3 — 5 . Austroci Mrtsn. 6 — 8 . Austrocidaris canaliculata (A. Ag). 
