»p. 1332. LOA CHES OF JAPAN— JORDAN AND FO WLER 77^ 



li ^ ■ 



lio mental barbels; a strong- bitid spine below the eye in front. Gill- 

 lopening-s lateral. Scales ver}^ small. Dorsal inserted in advance of 

 the orig-in of the ventral; caudal deepl^^ forked. Air-vessel consistim'- 

 iof two divisions, an anterior inclosed in a partly osseus capsule and a 

 ipo'sterior which is free in the abdominal cavity. 



[ This genus differs from Botia (= Sckistum= Diacantha) in the pres- 

 jSnce of but six ])arbels instead of eight. 

 (v/utJv^ membrane; (pvdog, swollen.) 



6. HYMENOPHYSA CURTA (Schlegel). 



AYAMADOKI; AYABATA. 



Corbitis ctirtd Schlegei-, Fauna Jai)oniea, Poiss., 1846, p. 223, pi. cxii, fi^r. 4- 



near Nagasaki. 

 BoHa cm-fa Gunthek, Cat. Fish., VII, 1868, p. 868 (after Schlegel). 



i: Head 4 in leng-th; depth 4f ; D. 12; A. H; P. 14; V. 8; scales 130; 

 width of head 2^ in its length; snout 2'i in the head: pectoral If; 

 iventral If; eyes 2i in snout; H in interobital space. 

 \ Bod}' oblong-, rather deep and compressed. Head oblong, com- 

 jpressed and pointed in front; snout long, pointed, and compressed, 

 tthe tip bluntly rounded and slightly projecting be^^ond the mouth; 

 |eyes moderate, anterior, superior and with the eyelid freeh' circular; 

 [mouth small, inferior, and with fleshy lips; barbels 6, the maxillary 

 'pair reaching the eyes, and the remaining -4 are close together at the 

 tip of the snout; nostrils close together, a little nearer the eye than 

 Ithe tip of the snout, and the anterior pair in a short tube; interorbital 

 ^space convex. Gill-openings large, lateral, 



; Bod}' and sides of the head covered with very small cycloid scales. 

 I Origin of the dorsal about midway between the tip of snout and base 

 of caudal, its height about equal to the length of the pectoral; anal 

 entirely behind dorsal and reaching about two-thirds in the space 

 ' between its own origin and the base of the caudal ; caudal nearly equal to 

 the length of the head, deeply forked and the lobes pointed; pectorals 

 ' narrow, lobate, nearly two-thirds the length of the head, and equal to 

 about half the distance between their own origins and those of the 

 ventrals; ventrals behind the origin of the dorsal, and their tips not 

 reaching as far as the tip of the depressed dorsal, or about two-thirds 

 the space between their own origins and that of the anal. Caudal 

 peduncle very deep, compressed, its length about equal to the ventral 

 and its depth a trifle more but not equal to the length of the pectoral. 

 Lateral line straight along the sides to the base of the caudal. 



Color in alcohol more or less uniform brown, the back slightly 

 darker; anterior edge of dorsal blackish-brown, and the fin with an 

 indistinctly deiined broad brown cross-bar; anal with a brown cross- 

 bar, and two on each caudal lobe. 



Length, 54| inches. 



