The Voyage of H.MS" Challenger 1 : 



Asteroidea.Pl.XLlI. 



3. 



F H Michael del el. KtK. 



1-2. BATHYBIASTER LORI PES ,i, <p 3-4. PSE U DARCHASTER DISCUS . n -p 



5-6. PSEUDARCHASTER INTERMEDIUS.n sp 7-8. PSILASTER ACUMI NATUS.n sp 

 3-11. PSILASTER GRACILIS. n .s P . 



