682 On a veto Characid Fish from the Amazon. 



LXXIY. — On a neiv Genus of Cyprinoid Fishes from Hit/h 

 Asia. By Dr. Erich Zugmayer, Miinchen. 



A:mo.\g the fishes collected hy Professor Dr. G. Merzhaeher 

 in the Thian-Shau ranoje (luring 1907 and 1908 there is a 

 number of Cyprinoids hitherto undescribed and deserving 

 generic rank. 



Aspiopsis merzbacheri, gen. et sp. n. 



D.^,P.i,V.i,A.^,C.lpl.71^73. 



Body elongate and slightly compressed, its depth being 

 contained .5i| times in the total length (including the caudal). 

 Length of head 41 in total length ; caudal ])eduncle twice as 

 long as high, its length being the same as that of the 

 pectoral. Fins short, origin of dorsal very slightly behind 

 that of ventrals, anal entirely behind dorsal. Mouth 

 terminal, its cleft oblique ; maxillary reaches to below front 

 margin of e\e, dental to below centre. Upper jaw pro- 

 tractile by f of diameter of orbit. Lower jaw without 

 6ym])hysial knob or corresponding notch. Abdomen 

 rounded ; lateral line complete, slightly irregular in fore 

 part, terminating in middle of caudal peduncle. Pharyngeal 

 teeth in two series, 3 — 5 — 5 — 3, compressed and notched. 



Colour bronzy on back, sides of head and body yellowish 

 silvery, very finely scattered dark dots along the sides. 



Length not exceeding 10 inches. 



Sixteen specimens were caught in ^Tanass Piver, west of 

 ITrumtchi, on the north slopes of the Thian-Shan range, 

 where the jiv( r enters into the ])lain. 



LXXV. — Description (fa tiC2c Characid Fish from the 

 Ainazo)!. By C. Tatic Pegan, ^LA. 



(Publislied by pennission of the Trustees of the British Museum.) 



Igiianodectes rachovii, sp. n. 



Depth of body nearly equal to length of head, about 4^ in 

 the length. Snout a little shorter than diameter of eye, 

 vhich is eqnal to the length of ]')Ostorbital ]iait of head or to 

 iuterorbital width. Jaws equal anterioily ; maxillary small, 



