PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUiM j by the SMITHSONIAN INSTITUTION U. S. NATIONAL MUSEUM Vol. 89 Washington : 1940 No. 3098 ECHINODERMS FEOM GREENLAND COLLECTED BY CAPT. ROBERT A. BARTLETT By Austin H, Clark For some years past Capt, Eol)eit A. Baillett on his annual cruise to the waters about Greenland has paid especial attention to the echinoderms, bringing back extensive and valuable collections. A report upon the collections received prior to 1936 has already been published (Journ. Washington Acad. Sci., vol. 26, pp. 294-296, figs. 1-4, July 15, 1936). The present report covers the material received since that date — 909 specimens representing 18 species. Most remark:d)ie and unexpected of the species represented is a new LeptasterJas belonging to the subgeuj.is Hexasterias^ which, ex-cept for the large L. polaris^ was heretofore known only from the north Pacific. Almost equally noteworthy are 5 specimens of the little-known Crossasfer squamatus from both eastern and north-western Greenland. The 18 species in the present collection are the following: Ophiacantha bidentafa. Aniphiura sutidevalU. OphiophoUs anileatcb. Ophinra sarsii. Ophiura robusta. Ophiocten sericeum. Pteraster mUitaris. Hevricia sangumol<'vta. Crossaster squamatus. 230887—40 Lepfasterias bartletti, new species. Leptasfei'ias grocnlamdica. Lepfasterias sp. Stcphanasterias albula. Poliometra prolixa. Heliometra glaciaJis. Strongyloeeii trotus drobachiensis. Cucumaria frondosa. Myriotrochus rinkii. 425
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