1914.] NATURAL SCIENCES OF PHILADELPHIA. 503 



continent, occurring from Canada to the Gulf and west at least to 

 Utah. 



Local Distribution. — Restricted almost entirely to the Pine 

 .Barrens, where it is locally at least quite frequent; occurring also 

 in an outlying sand barren in the lower Delaware Valley. 



Ecological Distribution. — A sand-loving species, frequenting 

 bare patches of relatively pure, white sand and open blueberry 

 scrub on sand. 



Locality Records. — 



Middle District. — Jericho, in dry wooded sand barrens (Fox). 



Pine Barrens. — Clementon, locally frequent on clear, white sand 

 and in thin vegetation (Rehn, Fox) ; Penbryn, in sandy field (Fox) ; 

 Jamesburg, on "cranberry bogs" (N. J. St. Mus. Rep.); Atsion 

 (Hebard); Da Costa (Skinner); Folsom, several on sandy railroad 

 bank and in adjoining field (Fox); Parkdale (Rehn and Hebard); 

 Manumuskin, abundant on bare sand and in open scrub in or along 

 the borders of mixed oak and pine woods (Fox). 



TRIMEROTROPIS Stal. 

 T. maritima Harr. 



General Range. — Maine to Florida (Caudell) along the coast; 

 also on the shores of the Great Lakes. 



Local Distribution. — Abundant on the beaches; occasional 

 inland in the remaining parts of the Coastal Plain. 



Ecological Distribution. — Restricted to areas of loose and 

 more or less shifting white sand; especially characteristic of the 

 Ammophila covered dunes of the seashore; elsewhere occurring on 

 loose sands in association with a very open formation of coarse 

 grasses. 



Locality Records. — 



Middle District. — Washington Park, several on loose sand (Fox) ; 

 Bayside (N. J. St. Mus. Rep.). 



Pine Barrens. — Lakehurst (Davis) ; Folsom, associated with 

 Spharagemon collare, several (Fox) ; Manumuskin, several on sandy 

 bluff overlooking tidal stream (Fox) ; Mt. Pleasant, one on gravelly 

 road (Fox). 



Coastal District. — Sandy Hook (N. J. St. Mus. Rep.); Seaside 

 Park (Long); Atlantic City (Fox); Ocean City (Fox); Sea Isle 

 City (Fox); Townsend Inlet (Fox); Beesley's Point (Fox); Seven- 

 mile Beach; Anglesea (Fox); Cape May (Fox); Cape May Point 

 (Fox); Town bank (Fox). 



