324 



Illinois Natural History Survey Bulletin 



Vol. 28. Art. 2 



Richard>t)n. Thompson ^' Hunt, and other 

 early authors. Local populations are ex- 

 tremely variable, and subspeciHc identifi- 

 cation is based on ^eojiraphical grounds. 

 FR 8 (Salt Fork. Sangamon). TH bQ 

 (all drainages). LS ^7 (all drainages). 



Notropis volucellus volucellus (Cope). 

 Northern mimic shiner. — Probably in- 

 cluded in the composite .N otropis blenniiis 

 of Forbes ^ Richardson and found in 2 

 collections (representing two localities) 

 in the 32 reidentitied collections still ex- 

 tant of Thompson & Hunt's ".V. blen- 

 niusr FR ?. TH 2 ( Middle Fork). LS 3 

 (Middle Fork. Sangamon). 



Xotropis uhlpplfi (Girard). Steelcolor 

 shiner. — Probably included in the com- 

 posite \otropis u-hipplii of Forbes 5: Rich- 

 ardson and found at 16 localities in the 34 

 reidentihed collections of Thompson 5c 

 Hunts "li ///>/)///.■■ FR ?. TH lb ( Kas- 

 kaskia. Embarrass, Salt Fork, Middle 

 Fork. Sangamon). LS 27 (Embarrass, 

 Salt Fork. Middle Fork. Sangamon). 



Opsopoeodus emiliae Hay. Pugnose 

 minnow. — A specimen from the Salt Fork 

 reported by Large (1Q03:15). TH 2 

 (Kaskaskia: 1 reported from a tributary 

 and another found among a series of 

 Thompson & Hunt's "Notropis blennius" 

 from the Kaskaskia proper). 



Phenacobius mirabilis (Girard). Suck- 

 ermouth minnow. — FR 18 (Kaskaskia. 

 Embarrass. Salt Fork. Sangamon). TH 

 25 (Kaskaskia. Salt Fork. Middle Fork. 

 Sangamon). LS 34 (all drainages except 

 Little Vermilion). 



Pimephales notatus (RaHnesque). 

 Bluntnose minnow. — FR 37 (all drain- 

 ages except Little \ermilion). TH 111 

 (all drainages). LS 134 (all drainages). 



Pimephales promelas prornelas Rah- 

 nesque. Northern fathead minnow. — FR 4 

 (Sangamon), TH 19 (Sangamon), LS 

 20 (Sangamon, Kaskaskia). 



Pimephales vigilax perspicuus (Girard). 

 Northern bullhead minnow. — Reported as 

 Cliola vigilax by Forbes 5c Richardson. 

 Thompson & Hunt, and other early au- 

 thors. FR b (Sangamon), TH 4 (Salt 

 Fork, Sangamon). 



Semotilus atromaculatus atromaculatus 

 ( Mitchill). Northern creek chub. — FR 9 

 (Salt Fork. Middle Fork. Sangamon), 

 TH 101 (all drainages), LS 12b (all 

 drainages). 



Ictaluridae 



Ictalurus melas (, Rahnesque). Black 

 bullhead. — Reported as Ameiurus melas 

 by Forbes 5: Richardson. Thompson 5c 

 Hunt, and other early authors. FR 12 

 (Kaskaskia. Salt Fork, Middle Fork, San- 

 gamon). TH 12 (not 13 as stated: all 

 drainages except Middle Fork), LS 7 (all 

 drainages except Middle Fork). 



Ictalurus natalis ( Le Sueur). Yellow 

 bullhead. — Reported as Ameiurus natalis 

 by Forbes 5c Richardson. Thompson ^ 

 Hunt, and other earlv authors. FR b 

 (Kaskaskia. Salt Fork), TH 15 (all 

 drainages except Embarrass), LS 38 (all 

 drainages). 



Ictalurus nebulosus (Le Sueur). Brown 

 bullhead. — Taken only from Franzen's 

 Fishing Lake. Many specimens of this 

 species were introduced into this lake for 

 sport fishing during the course of our 

 survey. LS 1 (Salt Fork). 



Ictalurus punctatus (Rahnesque). 

 Channel catfish. — FR 4 (Salt Fork, Mid- 

 dle Fork, Sangamon), TH 11 (not 8 as 

 stated: Salt Fork, Sangamon), LS 17 

 (Salt Fork. Sangamon, Middle Fork). 



A oturus exilis Nelson. Slender mad- 

 tom. — Reported as Schilbeodes exilis by 

 Thompson 5c Hunt. TH 2 (Middle Fork, 

 Sangamon). 



N oturus ftavus RaHnesque. Stonecat. — 

 FR 1 (Sangamon), TH 5 (Salt Fork, 

 Middle Fork, Sangamon), LS 22 (Salt 

 Fork, Middle Fork. Sangamon). 



\ oturus gyrinus (Mitchill). Tadpole 

 madtom. — Reported as Schilbeodes gyri- 

 nus by Forbes 5c Richardson, Thompson 5c 

 Hunt, and other early authors. FR 13 

 (Kaskaskia, Salt Fork, Sangamon), TH 

 8 (not 7 as stated: Salt Fork), LS 18 

 ( Kaskaskia, Salt Fork, Sangamon ) . 



N oturus miurus Jordan. Brindled mad- 

 tom. — Reported as Schilbeodes miurus 

 by Forbes 5c Richardson, Thompson 5c 

 Hunt, and other early authors. FR 2 

 (Salt Fork), TH 2 (not 1 as stated: Salt 

 Fork), LS 8 (Embarrass. Salt Fork. 

 Middle Fork). 



-\ oturus nocturnus Jordan 5c Gilbert. 

 Freckled madtom. — A specimen seined 

 from a pool over mixed sand-gravel and 

 another from a fast rifHe in the middle 

 Sangamon River. LS 2 (Sangamon). 



Pylodictis oliiaris ( Rafinesque). Flat- 

 head catfish. — Reported as Leptops olivar- 



