NO. 2 



DRAGONFLY LARVA SNODGRASS 



31 



D 



E P^t^^n'^^PP^ 



Cer 



Cer:^ 



Fig. 10.— The adult abdomen. 



A, cross section of abdominal segmait of a libellulid.. B. ventral view of s^^^ 

 C ventral musculature of abdomen of female Anax jnmus (frorn Whedon 1918). 

 D, ventral musculature shown on right side of abdomen oi Caloptcryxma^^^^^^^ 

 (from Whedon, 1018). E, end segments and termmal appendages of male libellu- 

 lid. F, ventral view of same. G, terminal structure of abdomen of female libel- 

 lulid H apical lobes of same, ventral. ^^^^^f . 



An anus! Cer, cercus Cc^rcoid") ; Eppt, epiproct; in, process of paraproct, 

 Pa/.t/ paraproct ; S, sternum; Sp, spiracle; T, tergum. 



