MONOGRAPH OF JAPANESE OPHIUIIOIDEA. 117 



Ophiacantha adiaphora Clark. 



OjpMacantha adiaphora: Clark, Bull. U. S. Nat. Mus., LXXV, 1911, 

 p. 199, fig. 91. 



Sagami Sea ; 622 fathoms (Clark). Sea of Japan ; 90-207 

 fathoms (Clark). Okhotsk Sea ; 68 fathoms (Clark). 



Bering Sea. 



Ophiacantha anchilabra Clark. 



Ophiacantha anchilabra: Clark, Bull. U.S.Nat. Mus., LXXV, 1911, -jx 

 205, fig. 95. 



One specimen ; locality unknown, probably Sagami Sea. 



Off Kii, Kumano Sea ; 649 fathoms (Clark). Off Omai Zaki ; 

 918 fathoms (Clark). 



Ophiacantha lophohrachia Clark. 



Ophiacantha lophohrachia : Clark, Bull. U. S. Nat. Mus., LXXY, 1911, 

 p. 232, fig. 109. 



Eastern Sea; 152 fathoms (Clark). 



Ophiacantha acanthinotata Clark. 



Ophiacantlux acanthinotata : C*lark, Bull. U. S. Nat. Mus., LXXV, 1911, 

 p. 203, fig. 94. 



Numerous specimens ; Okinosé, Sagami Sea. Two specimens ; 

 Mera-out-Oisegaké, Sagami Sea ; 300 fathoms. 



Gulf of Tokyo; 169 fathoms (Clark). Eastern Sea; 181 

 fathoms (Clark). 



Ophiacantha iniitilis Kœhler. 



Ophiacantha inutilis : Kœhler, Exp. Siboga, XLV, PI. 1, 1904, p. Ill, 

 PI. XXI, figs. 6-8 ; Clark, Bull. U. S. Nat. Mus., LXXV, 1911, p. 208. 



