116 SOME CHINESE VERTEBRATES. 



acute. Scales moderate, longitudinally with fine striations. Lateral line in 

 the middle of the side of the tail. Largest specimen eleven inches. 



Lustrous golden, darker on upper half of body and head; fins darker. 



Originally described from Huisien. 



Ichang. 



CTENOPHARYGODON IDELLUS (Valenciennes) Giinther. 



D. 10, A. 11, V. 9, P. 20; LI. 43?, 18 scales from head to dorsal; Phar. 

 teeth 4.2 | 2.5. 



Top and sides of head darkened by dots of black pigment; scales of back 

 and flanks similarly darkened near the edges; fins dark on their edges, distally 

 thickly dotted with black; lower surfaces uniform light. 



Shasi. 



MYLOLEUCISCUS ATRIPINNIS, gen. nov. sp. nov. 



D. 10, A. 11, V. 9, P. 21; LI. 42?; 16 scales in front of the dorsal; Phar. 

 teeth 5 | 5, in a single series. 



Form resembling that of Ctenopharygodon idellus, elongate, compressed 

 and rather deep in the caudal region. Head about one fourth and depth two 

 ninths of the length from end of snout to base of caudal, a little deeper than 

 broad posteriorly, pointed in front, subquadrangular in cross section; crown 

 broad posteriorly, convex transversely. Eye large, length two ninths of that 

 of the head; bones of the orbital series narrow, preorbital bone little longer 

 than deep. Mouth moderate, somewhat oblique, width and length about 

 equal; maxillary hardly reaching a vertical from the orbit; intermaxillary 

 protractile. No barbels. Pharyngeal teeth in a single series of five, two of 

 which are very broad, stout, rounded molars, the remaining three being longer, 

 more slender, and compressed with crowns of a different shape and concave. 

 Fins rather small. Pectorals reaching two thirds of the distance to the ventrals. 

 Dorsal origin midway from end of snout to base of caudal. Ventral origin 

 below the third ray of the dorsal, fin not reaching as far back as the dorsal. 

 Anal origin midway from origins of ventrals to base of caudal. Caudal notch 

 not half the length of the fin. 



Body dark with puncticulations of black; fins blackish. 



Type: No. 29817 M. C. Z. Hupeh: Shasi. W. R. Zappey. 



The genus Myloleuciscus may be characterized by a single series of pharyn- 

 geal teeth, some of which are extremely broad, short, rounded molars and 



