86 U.S. NATIONAL MUSEUM BULLETIN 293 



Ophiactis fragilis Ljungman 



Ofversigt af k. Vetenskaps-Akademiens Forhandlingar, p. 164, 1866. 

 = Ophiactis kroyeri (see H. L. Clark, 1915) 



Syntypes: 



MCZ 1172 (4 dry), Honolulu, Hawaii, Kinberg, collector. 



Ophiactis fuscolineata H. L. Clark 



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

 p. 266, 1938. 



Holotype: 



MCZ 5047 (1 dry), Broome, Western Australia, 5-8 fms., June 1932. 



Paratypes: 



MCZ 5048 (1 dry), AUaru Id., Coberg Peninsula, N.T., Australia, 

 May 22, 1932. 



MCZ 5049 (18 dry), same as 5047. 



MCZ 5050 (5 dry), West Point, Darwin, N.T., Australia, June 1929. 



MCZ 5051 (10 dry), East Point, Darwin, N.T., Australia, C-A-H Ex- 

 pedition 1929. 



MCZ 5052 (7 dry), Broome, W.A., C-A-H Expedition 1929. 



MCZ 5053 (7 dry). Quail Id., N.T., Australia, C-A-H Expedition 1929. 



MCZ 5054 (1 dry), Darwin, N.T., Australia, C-A-H Expedition 1929. 



Ophiactis gymnochora H. L. Clark 



U.S. National Museum Bulletin 75, p. 139, fig. 54, 1911. 



Syntypes: 



USNM 3324 (2 dry), Tanegasima, Japan, collected by the North Pacific 

 Exploring Expedition. 



MCZ 3135 (1 dry), Tanegasima, Japan. 



Ophiactis hemiteles H. L. Clark 



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

 no. 4, p. 262, pi. 10, figs. 7, 8, 1915. 



Holotype: 



MCZ 3739 (1 dry), Murray Id., Torres Strait, October 1913, Carnegie 

 Expedition. 



Ophiactis hexacantha H. L. Clark 



John Murray Expedition 1933-34. Scientific Reports, vol. VI, no. 2, 

 p. 77, figs. 32, 33, 1939. 



Paratype: 



MCZ 6034 (1 dry), Murray Exped. Sta. MBIb,Red Sea, 16 fms. 



