36 U.S. NATIONAL MUSEUM BULLETIN 293 



Holotype: 



USNM 19527 (alcohol), Albatross Sta. 3353, Gulf of Panama, 695 fms., 

 1891. 



Amphiura praestans Koehler 



Ophiures de 1' Expedition du Sihoga, pt. 2, Ophiures littorales, p. 45, 

 pi. 4, figs. 16, 17, 1905. 



- Amphioplus praestans (see Clark, 1915) 



Syntype: 



MCZ 5590 (1 dry), Siboga Sta. 11, Java Sea, 130 fms. 



Amphiura psilopora H. L. Clark 



U.S. National Museum Bulletin 75, p. 153, fig. 63, 1911. 



Holotype: 



USNM 16586 (dry). Plover Bay, East Siberia, 50-20 fms., collected by 

 Wm. Ball. 



Amphiura ptena H. L. Clark 



Memoirs of the Museum of Comparative Zoology at Harvard, vol. LV, 

 p. 233, fig. 15, 1938. 



Holotype: 



MCZ 4931 (1 dry). Bunkers Bay, Western Australia, January 1930, 

 E. W. Bennett. 



Paratype: 



MCZ 4932 (1 dry), same as 4931. 



Amphiura pycnostoma H. L. Clark 



U.S. National Museum Bulletin 75, p. 151, fig. 62, 1911. 



Holotype: 



USNM 25641 (dry), Albatross Sta. 4972, off Shino Misaki Light, Japan, 

 440 fms., 1906. 



Amphiura rathbuni Koehler 



U.S. National Museum Bulletin 84, p. 50, pi. 18, figs. 5, 7, 1914. 



Holotype: 



USNM 21295 (alcohol). Fish Hawk Sta. 6066, Mayaguez Harbor, Porto 

 Rico, 16-17 fms., 1899. 



Amphiura repens Lyman 



Illustrated Catalogue of the Museum of Comparative Zoology at 

 Harvard, no. 8, pt. 2, p. 18, pi. 3, figs. 38-40, 1875. 



- Amphiodia repens (see Verrill, 1899) 



Holotype: 



MCZ 1451 (1 dry), west coast, Florida, 14 fms., Stimpson, collector. 



Paratypes: 



MCZ 4089 (2 dry), same as 1451. 



