new Cyprinoid Fish. 103 



and anal twice as lon|; as lii^h. (Shanp:- 



Hiii.) A. tanianalii, Giinther, 187.3. 



D. III. 16-18, A. HI 12-14, 1. 1. m~'i'3 ; second 

 suborbital about as lonpr a^ doep ; dorsal 

 and anal less than twice as long as high. 



(Lower A.IIIIU-, Ussuri.) A. Asmmii (Dybowski), 1S72 



[(=2)era/i'o Asmussi, Dyb.). 



XIX. — Detrn'pfion of a w.io Cyprinoid Fish. Paraleiicogobio 

 notacanthu.^, //•(;. -n N. China. By L. S. BEiiG (St. Fetei-.'S- 

 burg). 



Paraleucogobio, gen. nov. 



Allied to Leucogobio^ Giinther, fro:ii which it differs in 

 liaviiis; the dorsal provided with a spine and inserted behind 

 vent rail. 



Body compressed, deep ; scales large, about 35 in lateral 

 line; lateral line in the middle of body, anteriorly slightlv 

 decurved, posteriorly straight. Dorsal short, with 7 branched 

 rays and with a strong, but flexible at the top, spine, in- 

 serted a little behind origin of ventrals, nearer to end of 

 snout than base of caudal. Anal sliort, with 6 branched 

 rays, without S[)ine, its origin beyond the end of dorsal, 

 nearer to base of ventrals tiian to caudal. Anus a little before 

 origin of anal. Breast scaled. Belly not keeled. Mouth 

 small, anterior : jaws of equal length ; lower without tubercle, 

 its edsre somewhat trenchant, semilunar. Hind margin of 

 maxillary reaching the vertical of the middle between 

 nostrils. Tip of snout about on the level of the lower margin 

 of eye. Lips thin, the lower interrupted at the symphysis. 

 A minute barbel at the angle of mouth, equal to ^ of the 

 diameter of eye, not reaching the vertical of front margin of 

 eye. Preorbital reaching the eye. Suborbitals long, narrow. 

 Gill-membranes attached to i.sthraus below the hind margin 

 of eye. Peritoneum silvery, with some black points. Pha- 

 ryngeal teeth two-rowed, 2 . 4 — 5 . 3, compressed, subuncinate; 

 upper teeth of the longer series conical. 



Paraleucogobio notacanthus^ sp. n. 



D. II 7. A. Ill 6. Lin. lat. 34 3-^ 37. 



Snout blunt ; interorbital space convex. Back beliind 

 nape flattened. Pectorals not reaching ventrals, ventrals not 



11* 



