Plate LXIII 



Cduddl Gills of Xfimphs'* 



Fig. 58. Argia moeatd putrkhi. Fit;. Ci. Ischnura verticnlk, 



Fig. 59. AmpliiiiyriDH snuruDii. young nymph. 



Fig. 60. Anomdldf/rioH hnstdfiim. Fig. 66. Iscknura positn. 



Fig. 61. Xihdh nnid iiruc. Fig. 67. Argid (ipiciilis. 



Fig. 62. Isclniiird rrrticdlis. Fig. 68. Argid iibidlis. 



Fig. 63. Argid viohicea. Fig. 69. Endlhigmd signiifum, 



Fig. 64. Isclnuird po.iita. variations in pig- 



iiuMitation. 



*Ono of tho l.-itoi:il tjills leinovoil in eases where the gills are attached to the 

 abdomen. 



