22 The Wilson Bulletin — Xo. 98 



D. C, to Chain Bridge, Virginia ; and on the Maryland side, 

 from Chain Bridge, D. C, to Cabin John Bridge, Maryland : 

 By electric car from Washington, D. C, to Georgetown, D. C, 

 and Cabin John Bridge to Washington. Traveled on foot, 18 

 miles, from Georgetown, D. C, to Cabin John Bridge, Mar)^- 

 land. Total distance traveled, 32 miles. Time in field, 4:15 

 a. m. to 5 :55 p. m. Total number of species observed, 75 ; 

 individuals, 914. H. H. T. Jackson. 



5. — Arlington, Fort Myer, and Rosslyn, Virginia, to the 

 Virginia end of the Long Bridge over the Potomac : By elec- 

 tric car from Washington, D. C, to Rosslyn and return. 

 Traveled on foot, 15 miles, Rosslyn to Arlington, Fort Myer, 

 and the Long Bridge. Total distance traveled, 20 miles. Time 

 in field, 3 :50 a. m. to 8 :00 p. m. Total number of species 

 observed, 6G ; individuals, 2,105. E. A. Mearns. 



6. — Dyke, Fairfax County, A^irginia : By electric car from 

 Washington. D. C, to Dyke and return. Traveled on foot 

 about 10 miles in the vicinity of Dyke. Total distance traveled, 

 34 miles. Time in field, 8 :00 a. m. to 6 :00 p. m. Total num- 

 ber of species observed, 66 ; individuals, 516. W. Palmer. 



7. — Western side of Anacostia River Valley, from Ana- 

 costia, D. C, to Benning, D. C. : By electric car from Wash- 

 ington, D. C, to Anacostia, D. C. Traveled on foot, 5 miles, 

 from- Anacostia to Benning, D. C. Total distance traveled, 13 

 miles. Time in field, 4:03 a. m. to 8:50 a. m. Total number 

 of species observed, 58 ; individuals, 1,382. W. D. Appel. 



8. — Rock Creek Park ; and the Anacostia River Valley from 

 Benning, D. C, to Bladensburg, Maryland : By electric car 

 from Rock Creek Park to Anacostia, D. C, and return. 

 Traveled on foot in Rock Creek Park and in the Anacostia 

 Valley, six miles; by rowlx)at, Benning to Bladensburg and 

 return, 11 miles. Total distance traveled, 29 miles. Time in 

 field. 4 :00 a. m. to 9 :00 p. m. Total number of species ob- 

 served, 91 : individuals, 3,049. Harry C. Oberholser. 



9. — Woodridge, D. C. to Beltsville, Maryland; and Laurel, 

 Maryland: By electric car from Beltsville to Laurel, Mary- 

 land, and Laurel to Woodridge, D. C. Traveled on foot, 15 



