Asrrion. 



279 



head black-bronze ; a comma-shaped blue spot behind 

 each eye ; broken, blue, transverse streak on occiput. 

 ProtJiorax black-bronze, with blue line along front 

 margin ; strongl)- trilobed behind, and edged with blue 

 in middle of margin. Thorax black-bronze above, with 

 two blue longitudinal stripes ; bluish below ; projections 

 between wings blue. Wings hyaline. Pterostignia small, 

 rhomboidal, black centre, pale between centre and black 

 bounding nervures. Ligs black above, bluish below. 

 Abdomen blue and black-bronze ; segment i blue, with 



K^^ 



Fig. 48. Anal Appexdages of Male of Agrion pulchellum. 



Dorsal and Ventral Surfaces. 

 (.A.fter Hagen, in De Selys' " Revue.") 



squarish posterior spot ; 2, blue, with U-shaped spot 

 (Plate XXV) joined to black circlet behind it; 3 to 5, blue, 

 with distal spot extending forward as a line in centre and 

 on sides ; 6, with a small basal spot only blue ; 7, black- 

 bronze ; 8, blue ; 9, blue, with large three-pointed black- 

 bronze distal spot ; 10 black-bronze, blue at sides, hind- 

 margin deeply notched ; underside, middle segments 

 greenish, others bluish. Anal appendages (Fig. 48), 

 upper, globular, bluish or yellowish, with rather long. 



