276 



3) The abdomen of the female is narrowing in the 3 ' segment, as 

 in the case of Ae. juncea. 



4) The length of the anal appendages Ç — 7 mm; they with bow- 

 shaped longitudinal ridge above, are rounded at the end. 



This species differs from Ae. juncea in following respects : 



1) the vertical T-shaped black spot at the frons allways thin and 

 long. 



2) the anterior part of the thorax with two long yellowish stripes, 

 turning outward in a marked degree, with a convexity directed inwards. 



3) The yellow stripes at the sides of the thorax are very long. 



4) The ridge at the upper anal appendages of the male with 

 4—5 teeth. 



5) The lower anal appendage is more broad and short, 



6) The costal nervure of the wing is white (yellow in the case of Ae. 

 juncea). 



1) Pterostigma ^f: 3,5 — 3,75 mm; Q: 4 — 4,5 mm. 



8) The auricles of (^ with 5 teeth. 



9) The anal appendages of the female in the shape are similar to 

 that of Ae. g/'gas^ but longer and broader, and are rounded at the end. 



7) Aeschna, colubercuhis Har. (?), 



1 çf without the abdomen. 



8) Aeschna viridis Ev. ; 1 çf and 1 Ç . 



9) - grandis L. ; 1 Ç . 



10) Gomphus flavipes var. sibirica Bartenef '^; 1 Q . 



11) Lestes sponsa Hans. ; 1 $. 



12) Lympi^Tjcna brauerii^ oh.; rfQ. 



13) Agrioii armatum Gh..\ Q.. 



14) - ^'er?^afo Hag. ; cf Ç . 



Dragonflies collected by V. Kvorof in Kuznetsk district 



Tomsk government: 



(1908.) 



1) Sympetrum scoticuni Don. 



2) Lestes dryas Kirby. 



3] Agrion liastulatum Ch. 

 4) Erythromma najas Hans. 



Vide above p. 274. 



