FISHES OF THE DISTRICT OF COLUMBIA. 
183 
28. Notropis analostanus (Girard).* SUver-fin; Safm-fin; Lace-fin. 
Common in the Potomac River and tributaries. The type was described by Girard in 1850 from 
specimens taken at Analostan Island, after wbicli the species was named. 
29. Notropi.s cornutus (Mitcbill).* Shiner; Dace; lledfin. 
Abundant in small streams, such as Rock Creek, Northwest Branch, Cameron Run near Alex- 
andria, and other tributaries of the Potomac. A valuable bait-miunow for bass and perch. 
30. Notropis photogenis (Cope).* Silvern Minnow. 
Apparently rare. A few specimens were taken in the Potomac at Washington in December, 1877, 
by Mr. William Palmer; and some years ago several were collected near Falls Cbiircli, Va., in Delaney 
Run, a branch of Little Hunting Creek, by the same collector. 
31. Rhinichthys cataractae (Cuvier & Valenciennes).* Long-nosed Dace; Black-nosed Dace ; Black 
Minnow. 
Inhabits cold, clear streams. Apparently not common. 
32. Rhinichthys atronasus (Mitcbill).* Dace; Black-nosed Dace ; Brook Minnow. 
Abundant, especially in small, spring streams tributary to Rock Creek. An active little fish of 
beautiful coloration. There is a black lateral band extending from snout to tail ; in males in spring 
this band, together with the lower fins and sometimes the entire body, is bright crim.son. 
33. Hybopsis kentuckiensis (Rafinesqne). * “Chuh”; “Horny-head"; Grass Chub; Hirer Chub; 
Didian Chub; Jerker. 
Usually common on grassy bottom in the Potomac and tributaries. A very good bait-fisb for 
bass, rockfisb, and perch. Reaches a length of 9 inches. 
34. Exoglossum maxillingua (LeSuenr).* Cut-Ups; Butler Chub. 
Found in clear streams at foot of rapids, and in feeders of the canal. Not uncommon in pl.aces. 
A small species, remarkable for its 3-lobed lower jaw. 
ANGUILLIDiE. The Eels. 
35. Anguilla chrysypa Rafinesque.* Eel. 
Abundant. In spring the young, .about 3 inches long, ascend the, river, large straggling schools 
being seen along the rocky shores above Georgetown; these Inavo come from salt water, where they 
were hatched. Large numbers are caught by commercial fishermen and anglers. An omnivorous 
feeder, very destructive to spawn of shad and other lisb. 
DOROSOMATIDiE. The Gizzard Shads. 
36. Dorosoma cepedianum (LeSuenr).* “Gizzard Shad”; “Virginia Shad”; “ Mud Shad”; Hickory 
Shad; Winter Shad. 
F.airly common in the Potomac at all se.asons, but scarcer now tb.an formerly. Sold in the 
markets, liut not highly esteemed as food. Spawns in summer. Average weight, li to 2 pounds. 
CLUPEIDiE. The Herrings and Shads. 
37. Pomolobus mediocris (Mitcbill).* “ Hickory Shad” ; “ Hickory Jack" ; “ Tailor Shad" ; “Fresh- 
water Tailor"; Fall Herring; Tailor Herring; Mattawacca. 
Common. Comes in spring with the branch herring; a few remain in upper river through 
summer and fall. Used as food, but not highly esteemed; sometimes sold to the unwary as true shad, 
from which it is re.adily distinguished by its projecting lower jaw. Largest weigh 4 pounds, the 
average 2 pounds. 
38. Pomolobus pseiidoharengus (Wilson).* “Herring”; “Branch Herring”; “Blear-eye”; Biver Her- 
ring ; Aleioife. 
Very abundant, but less so than formerly. Ascends the river in early spring, in advance of the 
shad, usually reaching District waters .about March 1, but sometimes by the middle of Febru.ary. 
39. Pomolobus aestivalis (Mitcbill). * “Glut Herring” ; “Biver Herring" ; Summer Herring ; Alewife. 
Very almndant, reaching tliis part of the river in spring a little later than the shad. A trille 
larger than the hr.anch herring, from which it is readily distinguished by its black peritoneum. Next 
to the sh.ad this is the most important food-tish of the District w.atcrs, large numbers being sold fresh 
and also salted at the fishing shores. 
