[SCIENTIFIC RESULTS OF THE PHILIPPINE CRUISE OF THE FISHERIES STEAMER "ALBATROSS," 1907-1910.— No. 23.] FOUR NEW GENERA AND FIFTY-EIGHT NEW SPECIES OF STARFISHES FROM THE PHILIPPINE ISLANDS, CELEBES, AND THE MOLUCCAS. By Walter K. Fisher, Of Stanford University, California. The new genera and species of starfishes described in this paper were obtained from among the Philippine Islands and the neighboring islands to the southward by the U. S. Fisheries steamer Albatross during her cruise o^ 1907-1910. These species will be fully illus-trated and described in greater detail in the final report on the collec-tion, now in course of preparation. In a previous paper ^ the following genera, each based on a new species, were described: Benthogenia (Porcellanasteridse). Lithosoma (Goniasteridee). Anthosticte (Astropectinidse). Atelorias (Goniasteridee). Pontioceramus (Goniasteridse). Hymenasterides (Pterasteridse). In the present paper the following new genera are characterized: Ctenopleura (Astropectinidee, near Astropecten) . Astromesites (Astropectinidee, near Blahiaster). Perissogonaster (Goniasteridee, near Paragonaster). Astrothauma (Goniasteridee, near Calliaster). A new subgenus of Dytaster, Koremaster, founded on a new species, Dytaster evaulus, is described. A list of the new species and subspecies is given for quick reference. PORCELLANASTERIDiE. Sidonaster psilonotus. Ctenodiscus orientalis. GONIOPECTINID^ . Goniopecten asiaticus. Prionaster gracilis. Prionaster analogus. Prionaster megaloplax. • New genera of starfishes from the Philippine Islands, Proc. U. S. Nat. Mus., vol. 40, May 17, 1911, pp. 415-427. Proceedings U. S. National Museum, Vol. 43— No. 1944. 509
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