1914.] NATURAL SCIENCES OF PHILADELPHIA. 531 



Local Distribution. — Common in suitable locations in the 

 Appalachian and Piedmont Districts; freciuent, but rather more 

 local in the Middle and Coastal Districts. Relatively infrequent or 

 local in the Pine Barrens. Apparently absent from the beaches. 



Ecological Distribution. — Most typical of wet or humid areas 

 covered with dense, succulent grasses; less frequent on dry ground 

 in dense, grassy thickets. Does not normally occur in salt marshes, 

 nor in Juncus gerardi and Scirpus americanus zones of the Submari- 

 time areas, but inhabits the more succulent, grassy tracts at places 

 where the Submaritime area merges into the upland. 



Locality Records. — 



Appalachia7i District. — Rockville (Pa. St. Dept. ZooL). 



Piedmont District. — Harrisburg (Pa. St. Dept. Zool.) ; Marysville 

 (Pa. St. Dept. Zool.); Dauphin (Pa. St. Dept. Zool.); Collegeville, 

 in damp meadows, ditches, pond borders, etc. (Fox); Valley Forge 

 (Fox); Ashbourne (Long); Mt. Airy (Fox); Germantown (Fox); 

 Fern Hill (Rehn and Hebard) ; Castle Rock (Rehn and Hebard) ; 

 Pink Hill, in stream meadow (Fox). 



Middle District. — Cornwalls (Rehn and Hebard) ; West Philadel- 

 phia (Long); Elmwood, in Tinicum meadows (Fox); Paschalville 

 (Fox). 



Riverton (Viereck) ; Washington Park (Fox) ; Woodbury (Vier- 

 eck) ; Jericho, in grasses along narrow gutter in sandy barrens- 

 (Fox); Canton (Fox); Manumuskin, on Zizania on tidal flats (Fox); 

 ISIedford (Rehn). 



Pine Barrens. — Taunton (Rehn) ; Atsion (Rehn) ; Staffords 

 Forge (Rehn) ; Belleplain, in small cranberry bog, not common 

 (Fox); Mt. Pleasant, occasional in undergrowth of oak and pine 

 woods (Fox); Formosa Bog (Fox). 



Coastal District. — West Creek (Rehn) ; Petersburg, tract of succu- 

 lent grass above tidal meadows (Fox) ; Ocean View, local, in succulent, 

 grassy spots just above the salt marsh (Fox); Goshen, tall grass, 

 lowlands just above salt marsh (Fox); Dennisville, grassy thickets, 

 edge of the woods (Fox) ; Cold Spring, in low, grassy tangles bordering 

 Scirpus americanus swamp (Fox); Cape May Point, lake margin 

 (Fox). 



X. nemorale Sc-udder. 



General Range. — Appears to be largely northern, extending 

 from New York to Minnesota and Nebraska, south to central Penn- 

 sylvania and the Ohio River, in the mountains to North Carolina. 



Local Distribution.^ — Apparently rare and very local, occurring 

 35 



