SILVER FIN. 845 



oandal ; fins plain ; head 4 ; depth 5 ; D. 8 ; A. 8 ; scales 6-35-3 ; teeth 4-4. Length 3| 

 inches. 



Habitat, Michigan to Illinois. 



Diagnosis. — From the other species of this genus, this species may be 

 known by its resemblance in form, and structure of mouth to the genus 

 Minnilus. 



Habits. — I have never seen this fish in life, and known nothing of its 

 habits. 



66. Hddsonius h^maturus (Cope) Jordan. 



' Red-tailed minnonr. 



Hyhopais hcsmaturus, Cope, Trans. Am. Philos. See. Phila , 1866, 392. — Jokdan, Man. 



Vert.. 2d Ed., 1878, 292. 

 Leuciscus hcemaiwrua, Gunthkr, Cat. Fishes Brit. Mns., vii, 259. 



Description. — Body stontish ; mnzzie little obtnae ; month moderate, terminal, obliqne, 

 the maxillary extending to the orbit ; eye three and a half in head ; lateral line nearly 

 straight ; plnmbeons above ; head dnsky above ; a dnsky lateral band, not shining ; a 

 dusky spot at base of candal ; oandal fin dnll red in life ; twenty-one roirs of scales in 

 front of dorsal ; head 4 ; depth 4 4-5; D. 8 ; A. 7 ; scales 7-44-4. Length 2f inches. 



Habitat, Great Lake Region, not abundant. 



Diagnosis. — From the other members of this genus, H. hsematurus may 

 usually be known by its smaller scales. 



Habits. — This species has as yet only been recorded from tributaries of 

 Lake Michigan, but it doubtleps occurs in Northern Ohio. Nothing 

 distinctive is known of its habits. 



66. HuDSONius ANALOSTANus (Girard) Jordan. 



Silver Fin. 



Lnvilus kentuckiensis, Kirtland, Boston Jouru. Nat. Hist., v, 1845, 27, pi. 8, f. 3 (not of 



Kafinesqae). 

 Cyprinella kentuekiensis, Cope, Proc. Acad. Nat. Sol. Phila., 1864, 279. 

 Eypeilepia kentuckiensia, Copb, Trans. Am. Philos. Soc, 1866, 371. 

 Leudsms kentuckimgis, Gunther, Cat. Fishes, Brit. Mns., vii, 261. 

 Cyprinella analostana, Gikard, Proc Acad. Nat. Soi. Phila., 1859, 58. 

 Hypsilepis analoatanus, Cope, Proc. Acad. Nat. Soi. Phila., 1867, 166. 

 Leuciscus analostanua, Guntheb, Cat. Fish. Brit. Mns., vii, 256. 

 Luxilus analoaianua, Jordan, Man. Vert., 2d Ed., 1878, 294. 

 Pkotogenis apiloplerua, Cope, Trans. Am. Philos. Soc , 1866, 378. 

 Leumacas apilopterua, GuNtHER, Cat. Fishes, Brit. Mus., vii, 254. , 



Deaeription. — Body moderately elongate, somewhat compressed, the dorsal and ven- 

 tral oatlines regularly and gently arched ; head rather short and deep ; month rather 

 small, quite oblique, the lower jaw received within the upper when the mouth is closed ; 

 eye small, foar and a half in head ; leaden silvery, bluish in the males ; edges of scales 



