m) 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXVl 



edges on outer half: :i small keel on tail above, behind spine, and sj 

 long' one runs along lowei' surface. 1 



Color in aleohol dark, dusk}^ brown a])ove, becoming lighter or 

 outer and marginal portions of disk; lower surface of body a creuni\ 

 white; a creamy buff bar in front of and below (\^•e, also another al)ou1 

 spiracles, above and at cc)rners; sides of tail whitish, also edges ol 

 claspers. The belly is more or less bright orange red in life. 



Length, 27^ inches. 



llei'e de8cril)ed from an adult msde from Tokyo. 



Young specimens are perfectly smooth al)ov(\ without an^' asperities; 

 or thorns, the c-olors more pronounced, the outer half of th«^ tail black, 

 and the lower surface of the bod}" more or less tinged with ci'eamy ok 

 liQ-ht buti'. 



Fig. 9. — Dasyatis akajei. 



Coasts of elapan, very common southward in sandy bays. Our speci- 

 mens from Matsushima. Tokyo, Misaki, Wakanoura. Onomichi, Hiro- 

 shima, Tsuruga, Hakata, Kawatana, and Nagasaki. 



{<(hf-r/\ red skate, in Japanese.) 



49. DASYATIS ZUGEI ( Muller and Henle) . 



ZUG-EI. 



Trygon ziujei Mui.lek and Henle, Plagiostomen, 1838, p. 165, pi. liii; Nagasaki.— 

 ScHLEGEL, Fauna Japonica, 1850, p. ;W9; Nagasaki.— Cantor, Malayan Fishes, 

 1850, p. 426.— Bleekek, Yerh. Bat. (ien., XXIV, 1852, Plagiost., p. 68; 

 Macao, Pondicherry.— Dcmeril, Elasinobranches, 1870, j). 606.— Gunther, 

 Cat. Fisli, VIII, 1870, p. 481; Japan, Finang, Madras. 



Disk as deep as broad: its greatest width a))Out opposite middle of 

 its length. Head large, with produced, pointed snout; snout about 



