282 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



Segment 7 a medium brown color. Color pattern similar to that of 

 segments 4, 5, and 6, except that the dorso-posterior spot is wanting, 



^^^ 3 3C 



58 



yd:^3J=3L 



59 



"a:?=[i33fe 



rygrxj^ 



XHE 



3^: 



61 



Figs. 55-()1.— Argia emma. 55-57. Male, marking on head and thorax. 58-59. Male, marking 

 ON abdomen in tenerals, lateral view. 60-61. Female, marking on abdomen in 

 tenerals, dorsal view. 



Figs. 02-<;4.— Argia vivida, male, marking on head and thorax. 



and the two doi-so-lateral stripes extend caudad to the posterior fifth of 

 the segment. 



Segments 8, 9, and 10 a medium brown with no markings. 



Ventra of segments 3-8 black, of segments 1, 2, 9, and 10 brown. 



