MYXOCYPRINUS ASIATICUS. 217 



ICHTHYOBUS STOLLEYi Agassiz. — "Body higher than in Ichthijobus rauchii, profile 

 steeper, and hence snout bhinter, opercular bones larger ; fins proportionally of the 

 same size. From Osage Kiver, Missouri." 



ICHTHYOBUS ISCHYRUS Nelson. — "This is a very stout and heavily built species: 

 depth ti^ in length ; head extremely broad between the eyes and but slightly convex; 

 its length 3^ times in length of bodj' ; snout short and rounded, opercular apparatus 

 large ; depth of head 1^ in its length ; width of head 1^ ; oy.e 6f iu head, If in snout, 4 

 in interorbital space ; caudal peduncle a little deeper than long ; scales 7-37-7, nearly 

 uniform, a little crowded anteriorly, finely punctate ; fins all small ; dorsiil I, '27; anal 

 1,8, bluish olive above; yellowish below ; fins blackish." 



Specimens in United Slates National Mntieuin. 



Genus MYXOCYPRINUS Gill. 



Myxocj/prinns Gill, Johnson's Cyclopajdia, p. ir)74, 1878. 

 Carpiodes et Sderognathtis sp. Blekker, GtiNiHER. 



Type, Carpiodes asiativus Bleeker. 



Etymology, /iv^au, to suck ; KV7vpt.voc, a carp. 



This genus is known to me only l"om Dr. Bleeker's description of its 

 typical species. Whether it differs irom its relatives, Ichtkyobus, Buha- 

 Kchthys, etc., in any other character than the obvious one of the great 

 increase in the number of its dorsal rays and the smaller scales, I do 

 not know. In any event, however, its right to independent generic rank 

 is unquestionable. 



Generic Characterizations. 



MYXOCYPRINUS Gill, 1878. — " Myxocyprinus is a name proposed for the Carpiodes 

 08ia<»CM8 of Bleeker, which is distinguished by the multiradiate dorsal and anal fins 

 (e. g, D. 52; A. 13)." — (Gill, Johvmnh CijcJopadia, Appendix, p. 1574.) 



54. MYXO0YPK[^'UiS ASIATICUS [Bleelcer) Jordan. 



1864 — Carpiodes asialicus Blkeker, Nederl. Tydscrhr. Dierk. ii, 19. 



Sclerognathus asialicus GtJNTHER, Cat. Fishes Brit. Mus. vii, 23, 1868. 



Habitat.— China. 



My only knowledge of this species is from Dr. Bleeker's original de- 

 scription, which I here subjoin : — 



" Carpiodes asiaticus Blkr. — Carpiod. corpore oblongo compresso, altitudine 2| 

 fere in ejus longitudino absque, 3^ circiter in longitudine corporis cum pinna caudali, 



