Occasional Papers of the Miiseiim of Zoology g 



and branch of Cross Kill Creek near ]\Ieckvillej, in 

 Snyder County (Middle Creek and Susquehanna River 

 near Chapman), in Dauphin County (creek near Stone 

 Glen, Beaver Creek, Armstrong Creek above Halifax, Alanada 

 Creek near Manadahill, and Powell Creek near Inglenook), and 

 Lebanon County (Little Swatara Creek near Jonestown). June 

 23 and 24 the writer accompanied ]Messrs. Mattern through 

 Carbon County (tributary of. the Big Lehigh near Hudsondale, 

 and another tributary two miles from White Haven, Lesley's 

 Run which is a tributary of the Big Lehigh between Weatherly 

 and White Haven, and the Pohopoco Creek), Luzerne County 

 (Nescopeck Creek headwaters four miles north of White 

 Haven, Wapwalopin Creek headwaters five miles north of 

 White Haven, Solomon Creek at Solomon Gap, Harvey Creek 

 "near West Nanticoke), and Columbia County (Briar Creek, 

 which is a tributary of the Susquehanna below Berwick, and 

 the Susquehanna at Bloomsburg). Though a large number of 

 collections were made nearer Philadelphia, they are omitted 

 as of lesser importance. Also a number of streams were vis- 

 ited and examined which were in part or entirely polluted, 

 and, as no collections were obtained from them, a great amount 

 of work necessary in such cases does not appear in this re- 

 port. 



Salvelinus fontinalis (Mitchill). — Near Hudsondale; Les- 

 ley's Run ; Nescopeck and W^apwalopin headwaters, and Solo- 

 mon Creek. 



Campostoma anomalum Rafinesque. — Penn Run and Little 

 Mahoning Creek, in Indiana County. ]\Iessrs. Mattern seined 

 an example in Briar Creek on June 23, which is the first rec- 

 ord for the Susquehanna River basin, thereby also establishing 

 the most eastern point at which this remarkable cyprinoid oc- 



