394 New Species of ILeucocrohio from Korea. 



LVII. — Description of a new Species of L.encogoh'10 from 

 Korea. By L. S. Beiig (St. Petersburg). 



Leucogohio coreanus^ sp. n. 

 D. III7. A. Ill 6. Lin. lat. 35 3:^. 



Pliaryngea] teetli 5 . 3 — 2 . 5 or 5 . 2 — 2 . 0. Body low and 

 elongated ; its greatest depth is contained 4'-4-4"5 times in 

 the length (withont caudal). Head a little longer than 

 depth of body, 41-4'0 in length. Eye lons^, 3 (J-3*5 in 

 liead, Ig-lj in snout, l'52-l"4tj in postorbital length, 1'14- 

 I'lO in interorbital space. Upper surface of head flat. 

 Snout pointed, the upper jaw overlapping the lower. Mouth 

 anterior, reaching backwards to the vertical from the hind 

 margin of nostrils. The jaws meet about level with the 

 lower margin of tlie eye. Lips thin. Barbel long, quite as 

 long as the eye and reaching the vertical from the hind 

 margin of eye. Origin of dorsal much nearer to end of 

 snout than to root of caudal, the distance between tip of 

 snout and origin of dorsal contained li in distance between 

 origin of dor:?al and root of caudal. Pectoral shorter than 

 Lead, contained 5*6-5*1 in length of body, terminating not 

 far from the ventral. Height of dorsal 4*6-5 in length of 

 body. Ventral reaching or nearly reaching vent. There 

 are 4 series of scales between lateral line and middle of belly. 

 Caudal peduncle as long as pectoral, its least depth about 

 2 times in its length and ^l-'i^ in depth of body. Belly 

 flattened. 



Irregular black dots on tlie upper surface of head and 

 on the back. A bluish band along the side of the body. 

 Scales of lateral line each with two dark spots. All fins 

 colourless. Peritoneum silvery, with few black pigment 

 spots. 



Three specimens (largest 91 mm. long) from S. Korea, 

 province Kyong-sang-do, Biver iSambau. Collected IS. ix. 

 1900j by P. J. Schmidt. Type sj)ecimens in the Zoological 

 Museum of Acad, of Sciences, St. Petersburg (N. 13801). 



I give here a key to distinguish all the known species of 

 Leucogohio : — 



A. Eye large, less than 4 in length of head ; 

 barbels long. 

 a. Scales 39 ; 6 scales between lateral line 

 and middle of belly ; barbel equal to 



