Xli 
THE VOYAGE OF H.M.S. CHALLENGER. 
Retaster gibber, Sladen te “. 
insignis, Sladen . -. ° 
Genus Marsipaster, Sladen ., 5 “. 
Marsipaster spinosissimus, Sladen - 
/ hirsutus, Sladen . 4 « 
Genus Calyptraster, Sladen, P 2 
Calyptraster coa, Sladen 4 . 
Genus Hymenaster, Wyville Thomson . 
Hymenaster nobilis, Wyville Thomson . 
Jormosus, Sladen . ° 5 
pergamentaceus, Sladen . . 
sacculatus, Sladen 5 ° 
echinulatus, Sladen , 
carnosus, Sladen . - : 
glaucus, Sladen . . 
— vicarius, Sladen , 5 C 
pellucidus, Wyville Thomson 
infernalis, Sladen 3 ‘ 
celatus, Sladen . : 5 
— crucifer, Sladen . ¢ 
— anomalus, Sladen - d 
— latebrosus, Sladen ‘ F 
porosissimus, Sladen - 
rus, Sladen 
geometricus, Sladen - 
— pullatus, Sladen . - 
membranaceus, Wyville Dhoeas 
coccinatus, Sladen 
precoquis, Sladen . . 
W. quis, 
Genius Benthaster, Sladen A 5 
Benthaster wyville-thomsoni, Sladan 3 
penicillatus, Sladen 
Subfamily PyrHonasTreRINE. . C 
Genus Pythonaster, Sladen. di B 
Pythonaster murrayt, 2. sp. . . 
Family EcHivASTERID® . B . 
Subfamily AcaNTHASTERINE 6 . 
Genus Acanthaster, Gervais 
Acanthaster echinites (Ellis and iselandeny Liitken 
Subfamily Mirpropin» 3 - . 
Genus Mithrodia, Gray 
Mithrodia clavigera (istond, Perce 
Subfamily Ecuinasterin& : . 2 
Genus Cribrella (Agassiz), Forbes. . 
Cribrella oculata (Linck), Forbes . 
— ornata, Perrier . : . 
—— compacta, n. sp. . . . 
—— obesa, 0. sp. : 5 . 
—— prestans,. sp. . . ° 
