Plate LXIII 



Fig. 58. Argia moesta putrida. 

 59. Amphiagrion sanctum. 

 A no m alagr io n h as fa tit m 

 X< halennia irem . 

 Ischnura verticalis. 

 Argia violacea 



Fig 

 Fig 

 Fig 

 Fig 

 Fig 



( \i nihil fiills of Nymphs* 

 Fig. G5 



60. 

 61. 



62. 

 63. 



Fig. 64. Ischnura posita. 



Fig. 66. 

 Fig. 67. 

 Fig. 68. 

 Fig. 69. 



Ischn lira verticalis, 

 young nymph. 



Ischnura posita. 



Argia apicalis. 



Argia tibialis. 



Enallagma signatum, 

 variations in pig- 

 mentation. 



"One of the lateral gills lemoveil in eases where the gills are attached to the 

 abdomen. 



