294 U. S. BUREAU OF FISHERIES 



2282. Boleichthys f usif ormis (Girard) . Fusiform darter. 



Massachusetts and south in coastwise streams. 



Boleosoma fusifortne Girard, Proc. Bost. Soc. Nat. Hist., IV, 1854, 41, 



Charles River, Mass. 

 Hololepis erochrous Cope, Proc. Acad. Nat. Sci. Phila., XVI, 1864, 233, 



Brown's Mill, N. J., opposite Philadelphia. 



2283. Boleichthys gracilis (Girard) . Crimson darter. 



Southern Indiana to Georgia and Texas; perhaps more than one species 



included; perhaps varying into the preceding. 

 Boleosoma gracile Girard, Proc. Acad. Nat. Sci. Phila., XI, 1859, 103, 



Rio Seco and Leona River, Tex. 

 Poecilichthys butlerianus Hay, Bull. U. S. Fish Com., II, 1882, 61, Big 



Black River near Vaughns station, Yazoo Countv, Miss. 

 Poecilichthys palustris Gilbert, Proc. U. S. Nat. Mus., VII, 1884, 209, 



Switz City Swamp, Greene County, Ind. 



2284. Boleichthys eos (Jordan and Copeland). 



New York to Minnesota. 



Boleichthys eos Jordan and Copeland, Proc. Acad. Nat. Sci. Phila., 



XXIX, 1877, 46, Wisconsin and Rock Rivers, Wis.; Fox River, 111.; 



northern Indiana. 



2285. Boleichthys exilis Girard. 



Upper Missouri River Basin and Red River of the North. 



Boleichthys exilis Girard, Proc. Acad. Nat. Sci. Phila., XI, 1859, 103, 



Little Muddy River, a tributary of the upper Missouri. 

 Boleichthys warreni Girard, loc. cit., 104, Cannonball River. 



Genus 779. HOLOLEPIS Agassiz. 



Hololepis Agassiz, in Putnam, Bull. Mus. Comp. Zool., I, 1863, 4 



{Etheostoma barrati Holbrook). 

 Copelandellus Jordan and Evermann, Fishes North and Mid. Amer., 



1896, 1100 (Poecilichthys quiescens Jordan). 



2286. Hololepis barratti Holbrook. 



Swamps and streams of the lowlands from Virginia to Florida; known 



from Blackwater River, Zuni, Va.; Allapaha River, Nashville, Ga.; 



and various streams in Florida and South Carolina. 

 Hololepis barratti Holbrook, Jour. Acad. Nat. Sci. Phila., Ill, 1855, 56, 



South Carolina. 

 Poecilichthys quiescens Jordan, Proc. U. S. Nat. Mus., VII, 1884, 478, 



tributary of Allaphaha River, Nashville, Ga. 



Genus 780. MICROPERCA Putnam. 



Microperca Putnam, Bull. Mus. Comp. Zool., I, 1863, 4 (M. punctulata 

 Putnam). 



2287. Microperca punctulata Putnam. Least darter. 



Northwestern States; Indiana, Michigan, and Minnesota, south to 

 Arkansas; rare outside of tributaries of the Great Lakes. 



Microperca punctulata Putnam, Bull. Mus. Comp. Zool., I, 1863, 4, 

 various points in Michigan, Wisconsin, Illinois, and Alabama; those 

 from Alabama probably M. praliaris (Hay); name preoccupied in 

 Etheostoma. 



Etheostoma microperca Jordan and Gilbert, in Jordan's Man. Vert., 

 ed. V, 1888, 134, lakes of Laporte County, Ind.; substitute name. 



2288. Microperca proeliaris Hay. 



Alabama and Mississippi, in lowland streams and ponds. 

 Microperca praliaris Hay, Proc. U. S. Nat. Mus., Ill, 1880, 496, small 

 branch of the Tuscumbia River at Corinth, Miss. 



Genus 781. ALVARIUS Girard. 



Alvarius Girard, Proc. Acad. Nat. Sci. Phila., XI, 1859, 101 {A. lateralis 



Girard) . 

 This genus differs from Microperca in having but one anal spine. The 



fins are short and low and the scales in the type are said to be small. 



2289. Alvarius lateralis Girard. 



Rio Grande about Brazos Santiago, Tex. 



Alvarius lateralis Girard, Proc. Acad. Nat. Sci. Phila., XI, 1859, 101, 

 mouth of Rio Grande. • 



