264 ART. 2. H. IVIATSUMOTO ; 



Sea of Japan; 176-245 fathoms (Clark). 



Ani2)hio2)7iiura pompophora (Clark). 



Opldura pompophora : Clark, Bull, U. S. Nat. Mus., LXXV, 1911, p. 

 89, figs. 29 & 30. 



Off Suno Saki, Sagami Sea ; 83-158 fathoms (Claek). Eastern 

 Sea; 181 fathoms (Clark). 



AmphioxjJiiura penichra (Clark). 



Ophlura penichra : Clark, Bull. U. S. Nat. Mus., LXXV, 1911, p. 84, 

 fig. 26. 



Off KnsMro, Hokkaido ; 175-464 fathoms (Clark). 



AmpJiiophiura niegaponia (Clark). 



Ophiura megapoma : Clark, Bull. U. S. Nat. Mus., LXXV, 1911, p. 

 79, fig. 23. 



Off Noto, Sea of Japan; 114-163 fathoms (Clark). 



Aniphiophiura ponderosa (Lyman). 



Ophioglypha ponderosa : Lyman, Bull. Mus. Comp. Zool., V, 1878, p. 

 93, PI. II, figs. 52-54; Lyman, Rep. Challeuger, V, 1882, p. 69, PI. VII, 

 figs. 7-9. 



Ophiura ponderosa : Clark, Bull. Ü. S. Nat. Mus., LXXV, 1911, p. 

 77. 



Sagami Sea ; 345 fathoms (Lyman). Off Omai Saki ; 475-505 

 fathoms (Clark). Okhotsk Sea ; 75-440 fathoms (Clark). 



Alaska. California. 



