884 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



Page 145. "Teeth one-rowed (Chondrostomince)" belongs after f, 



not tt. 



Pap- MS, thirtieth line, instead of Alburn us, read: RlCHARDSOXirs, 

 108. 



Page 156. Hyborhynchus fowipinnis is described by Professor Cope in 

 Hull. U. S. Xat. Mus. xx, 36, 1881, and H. nigrotccniatus and Cochlog- 

 iifitlinx hit/lit la tux, on page 37 of the same paper. 



Page 157. After H.flumatiUs add: 



188 (ft). H. piiuctifcr Garinan. 



Brownish, paler below; cheeks silvery; scales pimctulate; a black 

 spot at base of caudal. Body little compressed, the anterior profile 

 regularly curved. Head moderately broad; snout rounded, little 

 longer than eye; mouth small; maxillary reaching half way to eye. 

 Ventrals short, not reaching vent, inserted a little in advance of dorsal. , 

 Pectorals short, reaching little more than half way to ventrals; caudal 

 deeply notched. Lateral line slightly decurved. Head 4; depth 4. 

 I). 8; A. 8; scales 5-40-3. "Distinguished from D. couchii Grd. by the 

 size of the scales and a stouter form." Tributaries of Lago del Muerte, 

 Coahuila. (Garman.) 



(Hy'bognatlniK (Dionda) punctifer Garman, Bull. Mus. Coinp. Zool. viii, 89, 1881.) 



Page 176. After G. bubalina add: 



(&). C. ruhripainia (Garni.) J. & G. 



Brownish above, sides rosy or silvery; cheeks silvery; a brownish 

 band from nape to pectorals; lower fins salmon color; caudal reddish; 

 dorsal dark brown. Body deep, much compressed, the back arched. 

 Head small; snout shorter than eye; maxillary not reaching eye. Pee 

 torals not reaching vent nils, the latter to anal ; caudal deeply forked. 

 Scales much deeper than long. Head U; depth Ug. D. 8; A. 11; 

 scales 7-.">S-.'!. L. 3 inches. Tributaries of Lago del Muerte, Coahuila. 



nihri/iii//i<i ( i.-irmaii. Hull. Mils. Coinp. Zuiil. viii, 1H, 1881.) 

 Taut- L'Oti. lilihilrliflii/x Ag. : 



I'roiessor Garman gives in Science Observer (1881, vol. iii, No. 8, p. 

 57) a detailed account of the genus L'/iinx-lilln/s, in which 15 species 



