A CATALOGUE OF THE FISHES OF JAPAN. 29 



80. Dasyatis ziigei (Müller & Henle)> 



Zugu-ei. 



Trygon sugei Müller & Henle, Plagiostomen, 1838, p. 165, pi. LIII. Nagasaki. 

 Distrib.^ — Coasts of Japan. 



81. Dasyatis kuhlii (Müller & Henle). 



Yakko-ei. 



Trygon kuhlii Müller & Henle, Plagiostomen, 1838, p. 164, pi. CI. Vanicoro ; 



New Guinea. Drawing from a specimen from Nagasaki. (Identification 



doubtful). 

 Distrib. — Coasts of Japan and southward. 



Genus Himantura Müller & Henle. 



Hiinantura Müller & Henle, Wiegmann's Archiv, 1837, p. 400. 

 Type Raja iiai'nak Forskal. 



82. Himantura gerrardi Gray. 



Otonie-ei. 



Trygon gerrardi Çxxa.y , Chondropt., 1851, p. 116. India. 

 Distrib. — East-Indian Archipelago; Japan. 



Genus Pteroplatea Müller & Henle. 



Ptcroplatca Müller & Henle, Plagiostomen, 1838, p. 168. 

 Type Raja altavcla Gmelin. 



83. Pteroplatea japonica Temminck & Schlegel. 



Tsubakuroei ; Yokosaei. 



Pteroplatea japonica Temminck & Schlegel, Fauna Japonica, Poiss., 1850, p. 



309, pi. CXLI. Nagasaki. 

 Distrib. — Japan ; Canton. 



Genus UroiophuS Müller & Henle. 



Leiobatiis Blainville, Jour. Phys., LXXXIII, 18 16, p. 262. {Raja cniciata 



Lacépède. Not Leiobatiis Rafinesque, 1810). 

 Urolophns Müller & Henle, Plagiostomen, 1838, p. 173. 



Type UrolopJius aurantiacus Müller & Henle :=JR«yrt; cruciata Lacépède. 



