Plate 24 



(All figures X l^j) 



Figures 1,2. Stri/mon tltus mopsus, female, upper (1) and under (2) sides. 

 Chain Bridge flats, D. C, June 30, 1923. 

 3,4. Strijmoih tltus tittis, female, upper (3) and under (4) sides. 



Needham, Mass., July 22, 1923. 

 5,6. Strymon titus tittis, male, upper (5) and under (6) sides. Need- 

 ham, Mass., July 22, 1923. 

 7, S. Stnjmon calamis, male, upper (7) and under (8) sides. Essex, 

 Mass., July 9. 1925. 



281 



