116 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



Ceuthophilus latens Scudcler. 



Plummers Island, September 24, 1905, mating. Barber; Octo- 

 ber, 1909, Barber; August 12, 1914, Shannon; July 29, August 2 

 and 5, 1914, Caudell. Difficult Run, Va., September 21, 1916, 

 Caudell. 



Ceuthophilus spinosus Scudder. 



Cabin John Run, Md., September, 1911, W. T. Davis (Rehn 

 & Hebard, 1916 (2), p. 274). 



Ceuthophilus uhleri Scudder. 



Plummers Island, August 2, 1914, R. C. Shannon; September 

 10, 1915, October 4, 1912, October 11, 1906, Caudell; Great Falls, 

 Md., August 12, 1912; Cabin John Run, Md., September, 1911, 

 W. T. Davis (Rehn & Hebard, 1916 (2), p. 269) Great Falls, Va., 

 September 12, 1912, Caudell. 



Gryllidae. 

 Gryllotalpa hexadactyla Perty. (= borealis Burmeister.) 



A few specimens have been taken on Plummers Island, a young 

 nymph in 1906 by A. K. Fisher, another August 18, 1912, by 

 McAtee, and an adult male which was singing by R. C. Shannon, 

 September 14, 1914. 



Tridactylus terminalis Scudder. 



Glen Echo, Md., May 11, 1903. A single specimen taken by 

 0. H. Heidemann. 



Ellipes minuta Scudder. 



Common. Plummers Island, April 22 (nymph) to October 5; 

 Maryland near Plummers Island, April 8, 1914, McAtee; April 

 27, 1914, L. 0. Jackson; June 8, 1913, McAtee; Virginia near 

 Plummers Island, April 27. 



Myrmecophila pergandei Bruner. 



Plummers Island, May 1, 1914, McAtee; May 6 and 16, 1902, 

 H. S. Barber, August 15, 1913, McAtee; September 10, 1903, 

 H. S. Barber; October 13, 1912, J. D. Hood; Virginia near Plum- 

 mers Island in nest of Formica, May 17, 1908, McAtee. 



Nemobius bruneri Hebard. 



Plummers Island, October 11 and 12, 1906, Caudell, A. K. 

 Fisher; Cabin John Run, Md., September 23, 1911, W. T. Davis. 



