he Voyage of H.M.S “Challenger” Asteroidea.Pl. XCVIll 
PH Michael del et ith Mintern Bros - imp 
[-2. CRIBRELLA SUFFLATA,n sp 3-4. CRIBRELLA COMPACTA,n sp 
5-6. CRIBRELLA OBESA,n sp. 7-8. CRIBRELLA PRASTANS,n sp 
9-10. CRIBRELLA SIMPLEX,nsp lI-l2. PERKNASTER DENSUS,n-sp. 
