ODONATA OF BAJA CALIFORNIA. 557 



Figs. 70-73. Libellula saiurata Uhler S . 70, right side 10th abdomiual 

 segment aud appendages; 71, left side genitalia of second abdomiual 

 segment; 72, left hamule from in front; 73, terminal part of penis, 

 left side. 



Figs. 74-79. Progomi)hus obfsctirus Kamb. 74, triangle and adjacent parts 

 of right front wing S ; 75, right side 10th abdominal segment and 

 appendages .5 , dorsal margin to the left, ventral to the right; 76, ob- 

 liqiae view of inner edge of apex of inferior appendage, showing 

 teeth c5 ; 77, ventral view inferior appendage $ , 78, ventral view gen- 

 italia of second abdominal segment S ; 79, ventral view vulvar lam- 

 ina $ . 



Figs. 80-84. Octogojnphus specularts Selys. 80, dorsal view 10th abdom- 

 inal segment and appendages 5 ; 81, right side of same, dorsal mar- 

 gin to the left, ventral to the right; 82, ventral view 9th and 10th 

 abdominal segments and appendages ? ; 83, profile of vertex $ from 

 in front, oc ocelli; 84, left hamules S , side view. 



Plate XVII. 



Figs. 85-87. Tramea onusta Hag. 85, left side genitalia second abdom- 

 inal segment f, ; 86, right side 9th and 10th abdominal segments and 

 appendages ,t ; 87, ventral view 9th and 10th abdomiual segments $ . 



Figs. 88-89. Tramea longicauda Braner? var. 5 . 88, left side genitalia 

 second abdominal segment; 89, right side 9th and 10th abdomiual 

 segments and appendages. 



Figs. 90-91. Pantala hymencea Say $ . 90, like 89; 91, left side of penis 

 and its vesicle, other parts removed. 



Figs. 92-94. Pantala flavescens Fabr. <? . 92, like 89; 93, like 88; 94, an- 

 terior lamina, front view. 



Figs. 95-97. Mkrathyria Hagenii Kirby. 95, left side genitalia of second 

 abdominal segment 5 , penis protruded; 96, anterior lamina .? front 

 view; 97, ventral view 9th and 10th abdomiual segments and append- 

 ages ? . 



Pigs. 98-102. Mkrathyria dklyma Selys 3 . 98, left side genitalia of sec- 

 ond abdominal segment; 99, ventral surface, apex of outer hamular 

 branch; 100, anterior lamina, front view; 101, oblique profile view 

 from above of base of left superior appendage; 102, right side 10th 

 abdominal segment and appendages. 



Figs. 103-106. Mesothemis simplkkollis Say, var. collocata Hag. 103, left 

 side 9th aud 10th abdominal segments aud appendages $ ; 104, right 

 side 10th abdomiual segment and appendages 5 ; 105, left side gen- 

 italia second abdominal segment ■', ; 106, terminal part of penis, left 

 side. 



Figs. 107-109. Mkrathyria cequalis Hag. S . 107, oblique profile view 

 from above of base of left superior appendage; 108, anterior lamina, 

 front view; 109, left side genitalia of second abdominal segment. 



