272 Annals of the Carnegie Museum. 



Plate V. 



Fig. 80 Acanthagrion gracile abluium, subsp. nov., $ , near Coroico, May 2, 

 1899. Left profile view, apex of abdomen. 



Fig. 81. Acanthagrion gracile ascendens, subsp. nov., J 1 , Cachoeira, same. 

 Sia, outline of upper part of abd. seg. 10, rear view. 



Figs. 82, &2a. Acanthagrion apicale, Selys. $ , Iquitos. As in the preceding. 



Fig. 83. Acanthagrion cuyabce freirense. subsp. nov., $ , Muniz Freire. Left 

 profile view, apex of abdomen. 



Fig. 84. Acanthagrion cuyabce /intense, subsp. nov., $ , Bom Fim. Same. 



Figs. 85, 86. Acanthagrion cuyabce, sp. nov., $ , Cuyaba. 85, dorsal view of 

 superior appendages ; 86, left profile view, apex of abdomen. 



Fig. 87. Acanthagrion truncalum Selys, $ , Chapada. Left profile view, apex 

 of abdomen. 



Figs. 88, 89. Acanthagrion chararum, sp. nov., g, Cuyaba. 88, left profile 

 view, apex of abdomen. 89, dorsal view of superior apendages. 



Figs. 90, 91. Acanthagrion chacoense, sp. nov., $ , Piedra Blanca. 90, dorsal 

 view of superior appendages ; 91, left profile view, apex of abdomen. 



Fig. 92. Acanthagrion temporale Selys. $, left profile view, apex of abdomen. 



Figs. 93, 94. Acanthagrion chirihuanum , sp. nov., Cuyaba. 93, left profile 

 view, apex of abdomen ; 94, dorsal view of appendages. 



Figs. 95, 96. Skiallagma simulacrum, sp. nov., $ , Cuyaba. 95, dorsal view of 

 appendages ; 96, left profile view, apex of abdomen. 



Fig. 97. Acanthagrion ambiguum Ris, £, Villeta. Hind margin of prothorax. 



Fig. 98. Acanthagrion cheliferum, 9 , Santa Helena. Same. 



Fig. 99. Telebasis corallina g, Bahia. Left profile view, apex of abdomen. 



Figs. 100, 100a. Telebasis carmcsina, sp. nov., $ , Sete Lagoas. 100 same as 99. 



iooi-, inner surface, right superior appendage. 



Fig. ioi. lelebasis sangtiinalis y sp. nov., $ , Chapada. Same as 99. 



Fig. 102. Telebasis carminita, sp. nov., $ , Cuyaba. Same as 99. 



Figs. 103, 103*. Telebasis coccinata, sp. nov., $ , Chapada. 103 same as 99; 

 1035-, supero-internal view of right superior appendage. 



Figs. 104, 105. Tigriagrion dura ntinigr um i sp. nov., g, Chapada. 104, 

 dorsal view of appendages ; 105, left profile view, apex of abdomen. 



