ie: 
12. 
13. 
14. 
15. 
16. 
ETHEOSTOMATIDZ. 15 
. Alvordius peltatus, (Stauffer,) Cope & Jor.*—Conestoga River, 
Pennsylvania. 
. Alvordius macrocephalus, Cope.—Upper Ohio Valley. 
10. 
Alvordius phoxocephalus, (Nelson) Cope & Jordan.—Indiana to 
Tennessee and Kansas. 
PERCINA, Haldeman. 
Percina caprodes, {Raf.) Grd.—Great Lake Region to Alabama. 
Percina carbonaria, (B. & G.) Grd.—Texas. 
Percina zebra, Agassiz.—Great Lake Region (d. 8.). 
Percina manitou, Jordan.—Indiana to Minnesota. 
RHEOCRYPTA, Jordan. 
Rheoerypta copelandi, Jordan.—Wabash Valley. 
ImostToma, Jordan. 
Imostoma shumardii, (Grd.) Jor.--Indiana to Iowa and Arkansas. 
DIPLESIUM, Ra/finesque. 
. Diplesium blennioides, Raf.—Mississippi Valley. 
. Diplesium newmani, (Ag.) Jor. & Copel.—Tennessee River. 
. Diplesium simoterum, (Cope) Copeland.—Cumberland and Upper 
Tennessee Rivers. 
BoLEosoma, De Kay. 
. Boleosoma olmstedi, (Storer) Ag.—Great Lakes to New England 
and south to Georgia, east of the Alleghanies. 
. Boleosoma atromaculata, (Grd.) Jor.—New York to Virginia (? var.). 
. Boleosoma nigra (Raf.) Jor.—Mississippi Valley and Upper Great 
Lakes. 
. Boleosoma zsopus, Cope.*—Alleghany River. 
. Boleosoma mesa, (Cope) Jordan.—Kansas (d. g.). 
ARLINA, Girard. 
. Arlina effulgens, Grd.—Maryland to North Carolina (d. g.). 
. Arlina stigma, Jordan.—Georgia to Louisiana. 
. Arlina maculaticeps, (Cope) Jordan* (d. g.). 
. Arlina atripinnis, Jordan.—Cumberland River. 
