826 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvi. 



a Dorsal generally inserted midway between the tip of the snout an(l the base of the 

 caudal; young with a black spot at base of caudal. 

 }i Body deep; caudal eniarginate; sides with longitudinal l)rown Ijands. 



guntlierl, 9. 

 hb Body more elongate; caudal very deeply emarginate; a l)luish-black lateral 



band jordani, 10. 



aa Dorsal always inserted much nearer the tip of the snout than the base of caudal; 

 young without black caudal spot; coloration more or less silvery. 



c Body deep; eye 4 in head ; color silvery maijeihi-, 1 1 . 



vc Body elongate, rather slendei-; eye a little over ?> in head, above with a few 

 brown spots - hur;i\ 12 



g. LEUCOGOBIO GUNTHERI Ishikawa. 



Leucngobio gi'intlieri lsniKAW.\, Annot. Zool. Japon., Ill, Pt. 4. A])ril .SO, 1901; 

 l>. 151; Mail)ara, Matsubara, etc., on Lake Biwa. 



Head 31 ; depth ;-H; D. ITl, T; A. Ill, 6; P. 15; V. 8; .scales P>8 in 

 the lateral line; scales in an oblique series between origin of dorsal 

 and latei-al line, and 6 scales ])etween the latter and middle of belly; 

 pharvnoeal teeth 5, 3 — 3, 5; width of head If in its leng-th; snout 3^ 

 in head; eye 4^; interorbital space 2^^; pectoral If; ventral 1|. 



Body moderately elongate, compressed, and rather deep. Head 

 elongate, and pointed bluntly; snout bluntly rounded, a little longer 

 than the eye and not projecting beyond the mandible; eyes anterior, 

 moderately large, and 1^ in snout; mouth rather large, oblique, so 

 that the jaws meet in front on a level with the middle of the eyes and 

 the maxillary reaches behind nearly to the front margin of the eye; 

 lips somewhat broad and fleshy; a slender maxillary barbel about 

 equal to the eye; pharyngeal teeth in 2 rows, several of the larger 

 ones with grinding surface and those in the inner row small; nostrils 

 together, in front and nearer the eye than tip of snout; interorl)ital 

 space broad and slightl}^ convex. Gill-openings large; gill-rakers 

 short, and weak; pseudobranchiffi large; gill-tilaments long. Intestine 

 short. Peritoneum silvery. 



Scales large, of more or less uniform size, and cycloid; no pectoral 

 flap; ventral flap present. 



Origin of the dorsal in most cases midway })etween the tip of the 

 snout and the base of the caudal, though when depressed not reaching 

 over the origin of the anal; origin of the anal nearer that of the ven- 

 tral than base of caudal, and when depressed reaching more than half 

 way to the latter; caudal emarginate; pectoral about three- fifths of 

 space to ventral; origin of ventral about under that of dorsal, and the 

 tin reaching three-fifths the distance to anal. Caudal peduncle com- 

 pressed, deep, and in its least depth 2 in head. Lateral line contin- 

 uous, nearly straight, only very slightly decurved in front. 



Color in alcohol dark brassy olivaceous brown above, and below pale 

 or Avhitish with silvery reflections; along the sides are a series of pale 



