Radcliffe and Welsh — Fishes of Seneca Creek, Md., Region. 43 



18. Notropis analostanus (Girard). 

 Apparently rare in the canal and in Little Seneca and Tenmile creeks. 



19. Notropis photogenis amoenus (Abbott). 



Very abundant in the canal, the largest being 92 mm. long. Two 

 examples were taken in Tenmile Creek. 



20. Notropis cornutus (Mitchill). 



Abundant in Little Seneca and Tenmile creeks. Specimens taken in 

 June ranged in length from 48 to 110 mm. 



21. Rtiiniclittiys cataractae (Cuvier & Valenciennes). 

 Common in Little Seneca and Tenmile creeks. Examples taken in 

 June may be grouped into two classes according to length, the first 24 to 

 27 mm. long, the second 66 to 82 mm. long. 



22. Rliiniclithys atronasus (Mitchill). 

 Abundant in Little Seneca and Tenmile creeks. 



23. Hybopsis l<entucl<iensis (Rafinesqne). 

 Several examples taken in the canal and in Tenmile Creek. 



24. Exoglossum maxillingua (Le Sueur). 

 A single example taken in Tenmile Creek. 



Anguillid^. 

 25. Anguilla rostrata (Le Sueur). 

 Two examples from canal and one from Tenmile Creek. 



DOROSOMATID^. 



26. Dorosoma cepedianum (Le Sueur). 



Very abundant in the canal widewater above Rushville. Large schools 

 were seen, more than a thousand adults being taken at a single haul of a 

 100 foot seine. The largest was 340 mm. long. 



PCECILIID^. 



27. Fundulus diaplianus (Le Sueur). 



An adult taken in the canal below Violett's lock and a young example 

 in a small pond above the lock. 



Percopsid^. 



28. Percopsis omiscomaycus (Walbaum). 



Very abundant in the canal at a point locally known as Buzzards Hole, 

 the larger examples ranging in length from 85 to 126 mm. Although the 

 canal was seined for a distance of about 6 miles above this point, no 

 examples were taken at other points. The only other record for this 

 species in the vicinity of Washington is that of Smith and Bean (Bull. 

 U. S. Fish Com. for 1898, 1899, p. 185) from Rock Creek and Cabin John 

 Run. 



