84 U.S. NATIONAL MUSEUM BULLETIN 293 



MCZ 4241 (8 dry), Tortugas, Florida, Carnegie Expedition, June 1917. 



MCZ 4285 (1 alcohol), same as 4241. 



Ophiactis brachyaspis H. L. Clark 



U.S. National Museum Bulletin 75, p. 138, fig. 53, 1911. 



Holotype: 



USNM 25638 (dry), Albatross, no locality. 



Ophiactis brachygenys H. L. Clark 



U.S. National Museum Bulletin 75, p. 135, fig. 51, 1911. ' 

 = Ophiactis plana (see H. L. Clark, 1918) 



Holotype: 



USNM 25602 (dry). Albatross Sta. 4957, off MizimokoShima Lt., Japan, 

 437 fms., 1906. 



Paratypes: 



USNM 26129 (1 dry), Albatross Sta. 3697, off Manazuru Zaki, Honshu, 

 Japan, 210-265 fms., 1900. 



USNM 26190 (1 dry). Albatross Sta. 4956, off Mizimoko Shima Lt., 

 Japan, 720 fms., 1906. 



MCZ 3131 (1 dry), Albatross Sta. 4957, see above. 



Ophiactis brevis H. L. Clark 



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

 p. 264, 1938. 



Holotype: 



MCZ 5009 (1 dry), Shell Ids., Darwin, N.T., Australia, 3-6 fms., July 

 1929, C-A-H Expedition. 



Ophiactis canotia Lyman 



Bulletin of the Museum of Comparative Zoology at Harvard, vol. 6, 

 p. 40, pL 13, figs. 353-355, 1879. 



Syntype: 



MCZ 1159 (1 dry). Challenger Sta. 73, near Azores, 1000 fms. 



Ophiactis cuspidata Lyman 



Bulletin of the Museum of Comparative Zoology at Harvard, vol. 6, 

 p. 38, pL 13, figs. 359-361, 1879. 

 = Ophiactis abyssicola (see H. L. Clark, 1918) 



Syntype s: 



MCZ 1161 (2 dry), Challenger Sta. 170, near Kernadec Id., 520 fms. 



Ophiactis cyanosticta H. L. Clark 



Bulletin of the Museum of Comparative Zoology at Harvard, vol. 62, 

 p. 295, pL 4, figs. 3-6, 1918. 



