Bulletin. 100 v. 14, pt. 3. Contributions to biology of Philippine Archipelago and adjacent regions: Report on echinoidea collected by United States Fisheries steamer Albatross during Philippine expedition. 1997-19, pt. 3. Echinoneidae. echinolampadidae, clypeastridae, arachnoididae, laganidae, fibulariidae, urechinidiae. echinocorythidae, palaeostomatidae. micrasterisdae. palaeopneustidae, hemiasteriilae. and spatangidae; by Theodor Mortelisen.