Fi 



FiK, 



Fit? 



FiK 



Fij-- 



Fi- 



FiK 



Fi- 



Fif-- 



Fi- 



Fi- 



Fit? 



Fit? 



Fi- 



Fit? 



Fit? 



Fit? 



Fit? 



Fis? 



Plate LXIX 

 Thorririr and Abdominal Slrucfurcs of Adults 



140. Aryiu libi(dis, female, mcsostigmal plates. 



141. Argia sedula, female, mesostiginal i)lates. 



142. Argia violacca, female, me.sostit?iiial ])latos. 



143. Argia fumipcyims, male, anal a])peiidat?es. 



144. The same, male, anal a]ii)('n(lat?es. 

 14."). Argia violacca, male, anal ap])endages. 



146. The same, male, anal ai)7)endat?es. 



147. Argia apicalis, male, ninth .stcnmm. 



145. Argia fumipennis, female, mesostit?mal plates. 



149. Argia sedula, male, anal appendages. 



150. Thei same, male, anal appendaties. 

 1.51. Argia apicalis, male, anal apjiendages. 

 152. The same, male, anal appendages. 

 15;i. The same, female, mesosti-mal plates. 



154. Argia viocsla puirida. female, mesosti-mal plates. 



155. Argia iihi<dis, male, anal ajipendages. 



156. The same, male, anal ai)penda-es. 



157. Argia moesta pufrida, male, anal a])])endages. 

 15S. The same, male, an;'.l appendages. 



