e Voyage of H.M.S. Challenger. Asteroidea.P. VI 
Crowther del et lith 
Mintern Bros. imp 
|—2. PONTASTER MIMICUS,n.sp. 3-4, PONTASTER LIMBATUS.n sp. 
5-6- PONTASTER PRISTINUS,nsp. 7. PONTASTER TENUISPINUS,var. PLATYNOTA nov. 
