ON A COLLECTION OF FISHES FROM ECHIGO, JAPAN. 



By David Stark Jordan and Robert Earl Richardson, 



Of Stanford Unirersilij. 



The writers have receiith' received from Mr. Masao Nakamiira, a 

 Japanese naturalist, tc^acher in the schools of Nagaoka, in the province 

 of Echig-o, in Japan, a small collection of fishes, from that region. 

 Among these are three species new to science. Series of the speci- 

 mens mentioned arc in the United States National Museum and in the 

 museum of Stanford University. 



Family COBITID^F. 



I. LEFUA" ECHIGONIA Jordan and Richardson, new species. 



Head 4| in length, to base of caudal; depth 5^ ; D. T or 8; A. I, 7; 

 scales about 90; width of head If in its length; snout 3 in head; inter- 

 orbital space '2^ in. head; pectoral li; ventral 2i; eye 2 in interorbital 

 space. 



Fig. 1.— Lefua echigonia. 



Body moderately elongate, compressed behind; caudal peduncle 

 deep, its depth fully half the length of the head; head depressed, 

 broad and flat above, its width more than two-thirds of its length; 

 eyes anterior, lateral; mouth somewhat inferior, su})terminal, with 

 flesh}' lips, the lower jaw included, barbels 8, one pair nasal, one pair 

 terminal on the maxillary, and two pairs on the muzzle anterior to the 

 nasal and superior to the maxillar}^ pair. 



Scales very small, cycloid, none on the head; lateral line obsolete. 



Dorsal inserted slightly behind ventrals, the base of its first ray nearer 

 to tip of caudal than to end of snout; anal wholly behind dorsal; caudal 

 rounded, a low adipose membrane procurrent on the caudal peduncle 

 dorsally and ventrally. 



"According to Dr. Leo Berg (Proc. IT.S.N.M., XXXII, 1907), Elvis Jordan and 

 Starks, to which this species belongs, is identical with the earlier Lefua Herzenstein 

 (1888). 



Proceedings U. S. National Museum, Vol. XXXIII— No. 1570. 



263 



