120 NEUROPTERA OP NORTH AMERICA. 



elongately-triangular, obtuse ; wings hyaline, pterostigma short, 

 black; membranule black. Male. Fifteen antecubitals ; nine post- 

 cubitals. 



Length 58 millim. Alar expanse 18 millim. Pterostigma 4 

 millim. 



Hob. Russian America, Sitka (Collection of Hagen). 



It is very much like Aeschna borealis Zetterstedt, found in 

 Northern Europe and Siberia. 



2. -2E. septentrionalis ! 



Aeschna septentrionalis Burm ! Handb. II, 839, 11. Aeschna minor Ramb ? 

 Neuropt. 207, 20. 



Blackish-brown, spotted with blue ; head yellow in front ; front 

 anteriorly with a narrow, transverse line, a spot, large anteriorly, 

 in the shape of a T, superiorly, and the rhinarium, black ; labrum 

 margined with black ; thorax fuscous, dorsum each side with a 

 point, sides with two, narrow, maculose stripes, yellow ; feet black, 

 above rufous ; abdomen long, stoutish, narrowed behind the in- 

 flated base, black, spotted with blue ; sides of the segments, two 

 medial and two apical spots, blue ; last segment of the male black, 

 each side blue, an elevated tooth above ; appendages brownish- 

 black, moderate, a little incurved, foliaceous, the base narrow, a 

 basal obtuse tubercle beneath ; carinated inwards, before the apex 

 inflated, the apex obtuse; the inferior appendage one-half shorter, 

 elongately-triangular, obtuse ; appendages of the female moderate, 

 foliaceous, obtuse ; wings hyaline, pterostigma fuscous, somewhat 

 broad; membranule gray. 14 16 antecubitals ; 11 12 postcu- 

 bitals. 



Length 54 55 millim. Alar expanse 74 millim. Pterostigma 

 4 millim. 



Hob. Labrador ; Nova Scotia. 



Does Aeschna minor Rambur differ from it ? the wings with a 

 rufous spot at base. It is very much like Aeschna sitchensis, 

 Hagen. 



3. 2E. juncea! 



Aeschna juncea Linne ! Selys, Revue Odonat. Europ. 116, 3. (With the 

 synonyms.) 



Fuscous, spotted with blue and yellow ; head yellow, a narrow, 

 transverse line in front, a T spot above, broader anteriorly, and the 



