92 RIVISTA ITALIANA 



— Apiocrinus sp. ind. 



— Apiocrinus sp. ind. 



— Apiocrinus sp. ind. 



— Cidaris Lardy i D e s o r 



— Eh ibdocidaris tuberosa G r a s 



— Ilemicidaris caprensis n. foi. ' 



— Rhabdocidaris Cerici n. for. 



— Cidaris muricata R o e m e r. 



— Cidaris cfr. muricata R o e m e r 



18, 27. — Pseudocidaris cfr. clunifera Agass sp. 



28. — Pseudocidaris crispicans de L o r. 



29. — Orthopsis sp. ind. 



30. — Salenia prestensis D e s o r 



