OF WASHINGTON, VOLUME XIX, 1917 109 



Schistocerca damnifies Saussure. 



A common grasshopper, Plummers Island, October 27, 1906, 

 I. J. Condit; November 3, 1906, A. K. Fisher; Great Falls, Md., 

 May 23, 1915. McAtee; Maryland near Plummers Island, March 

 19 and 27, 1915, J. C. Crawford; April 23, 1916, August 15, 1915, 

 McAtee; Cabin John Bridge, Md., May 10, 1913; High Island, 

 Md., November 10, 1901, Caudell; Great Falls, Va., February 

 26, 1905, active adult, H. S. Barber, September 12, 1912, Cau- 

 dell; October 3, 1915, McAtee; October 4, 1916, Caudell; Bell- 

 view to Difficult Run, Va., September 19, 1916, McAtee; Chain 

 Bridge, Va., September 13, 1916, Caudell; October 24, 1915, L. 

 O. Jackson. 



Schistocerca rubiginosa Harris. 



Cabin John Bridge, Md., August 18, 1914, H. Nicols. 

 Melanoplus atlanis Riley. 



Great Falls, Md., August 15, 1915, McAtee; Maryland near 

 Plummers Island, September 10, 1915, Glen Echo, Md., July 10, 



1914, Caudell; Great Falls, Va., June 26, 1914, August 11 and 

 October 3, 1915, McAtee; October 4, 1916, Caudell; Bellview to 

 Difficult Run, Va., September 19, 1916; Virginia near Plummers 

 Island, July 14 and September 29, 1915, McAtee; Chain Bridge, 

 Va., August 17, 1912, September 13, 1916, Caudell. 



Melanoplus collinus Scudder. 



Great Falls, Va., September 12, 1912, many, one pair mating: 

 October 4, 1916, Caudell; Bellview to Difficult Run, Va., Sep- 

 tember 19, 1916, McAtee. 



Melanoplus femoratus Burmeister. 



Maryland near Plummers Island, June 29, 1913, W. D. Appel; 

 September 10, 1915; Glen Echo, Md., July 10, 1914, largo 

 nymphs and adults of both sexes, Caudell; Dalecarlia Reservoir, 

 D. C., July 2, 1911, W. D. Appel; Great Falls, Va., August 15, 



1915, McAtee; September 12, 1912, Caudell; October 4, 1916; 

 Bellview to Difficult Run, Va., September 19. 1916. McAtee: 

 Scott's Run, Va,, July 25, 1915, L. 0. Jackson; Chain Bridge. 

 Va., September 13, 1916, Caudell. 



Melanoplus femur-rubrum De Geer. 



Plummers Island. September 5, 1915, McAtee; September 30 

 and October 7, I'.Xtfi. A. K. Fisher; ' ""'Is, Md.. August 15, 



1915; Maryland near Plummers Island, August 16, I'.iHi. Caudell; 



