FISHES OF MINNESOTA 41 



Hybopsis kentuckiensis (Rafinesque) River Chub. 



Color somewhat bluish; a dark bar behind the opercles; scales 

 on the upper part of the body dark edged; under parts bright rosy 

 in spring males; fins slightly yellowish and without black; a red 

 spot on each side of the head in spring males. Body rather stout; 

 not much compressed; mouth large, not oblique, the lower jaw in- 

 cluded; barbel conspicuous; adult specimens with a swollen crest 

 on top of the head, this crest covered with tubercles. Head con- 

 tained 4 times in the length. Depth 4^, Dorsal fin with its first 

 rays inserted a little behind the first rays of the ventrals, contains 

 8 rays. Anal 7. Scales 6-41-4, 18 rows before the dorsal fin ; lateral 

 line somewhat decurved. Pharyngeal teeth 1, 4-4, 1 or 1, 4-4, 0, 

 sometimes 4-4. Length G to 9 inches. 



Quite common in the state. Specimens have been recorded 

 from Basset's Creek, Minnapolis (T. S. Koberts, 1879) ; Crow Wing 

 Kiver and Fish Hook Lake, Hubbard County; the region of Lake 

 Pelican, Crow Wing County (Nat. Hist. Surv., 1893); Dougherty 

 Creek and Little Minnesota River, Brown's Valley; Upper Minne- 

 sota River and Red Lake River, Crookston (Woolman, 1892, Report 

 TJ. S. Fish Comm., 1893) ; Minnesota and Blue Earth Rivers at Man- 

 kato, common (Cox, 1891-5). 



Order APODES. 



Family ANOUILLID^. The Eels. 



Body long and snake-like and covered with small elongated 

 scales which are imbedded in the skin and some of them arranged 

 at right angles with each other. Head small and conical, the bones 

 much modified from those of the typical fish; preopercle and pre- 

 maxillary bones at present; the maxillaries absent. No ventral fins 

 X)resent; dorsal fin long and its rays short; pectoral fins present. 

 But one genus and one species found in Minnesota. 



Genus ANGUILLA Shaw. 



Anguilla clirysypa Rafinesque. 



Tail somewhat compressed; a well developed lateral line; head 

 rather long; eye small and located well forward. The jaws and 

 vomer well set with teeth which are somewhat unequal in length; 

 outer end of the tongue free; lower jaw projecting beyond the 

 upper; gill openings slit-like. Dorsal fin continuous with the 



