14 Psyche [February 



AGRIONIN^. 



10. Argia violacea {Yi&gen) '^elys. Common, cf and 9 s. May to September 10. 



New to Middlesex County. 



11. Enallagma la'.erale Morse. Rare. cfs. May to July. Recorded also by 



Pierson. 



12. E. calvcrti Morse. Recorded by Peirson. 



13. E. ebriinn (Hagen) Selys. Common, o^ and 9 s. August 1 to 15. New to 



Middlesex County. 



14. £■. cH'z'/e (Hagen) Selys. Common, c? and 9 s. May to September 5. 



15. (.') E. minusculum Morse. One specimen, cf. 



16. E.aspersiini{Yla.gQn)^e\\s. One specimen. ^. August to September 5. 



17. E. triviafvm Selys. Rather rare. cfs. August 1. 



18. E. gemiiiahim KeMicott. A few specimens.' cf and 9 s. August 1 to Septem- 



ber 10. New to Massachusetts. 



19. E. sigiiafym (Hagen) Selys. Common, cfs. July to September 5. New to 



Middlesex County. 



20. E. polhihim (Hagen) Selys. A few specimens, cf. August -1. This species 



has never been recorded south of Maine, and is, therefore, new to Massa- 

 chusetts. 



21. Ischnura verticalis (Say) Selys. Uncommon, cf and 9 s. August 23 to 



September 5. 



ANISOPTERA. 



^SHNID^. 



GOMPHIN.^. 



22. Gomphus exilis Selys. Recorded by Peirson. 9. 



23. G. horealis Needham. One specimen. 9 • May 1915. New to Massachu- 



setts. 



24. G. spiniceps (Walsh) Selys. Recorded by Peirson. 

 25.' G. spicatus Hagen. Common, o" and 9 s. May. 



26. Dromogomphus spinosus Selys. Rather common, cfs. July. New to 



Middlesex County. 



27. ^/ioa;jM/nws (Drury) Selys. Common, cf and 9 s. August to September 19. 



28. Mschna clepsydra Say. Two specimens, cf. September 10 to September 30. 



29. Mshna conslricta Say. Common, cf and 9 s. August to September. New 



to Middlesex County. 



30. A. vmbrosa Walker. Four specimens. 9 • May to October 17. New to 



New England. 



31. A. canadensis Walker. One specimen, cf. September 5. New to New- 



England. 



32. Epiaschna hews (Fabricius) Hagen. Recorded by Peirson. 9 . May. 



New to Middlesex County. 



33. Basioeschna janata (Say) Selys. Not uncommon, cf and 9 s. May. Re- 



corded also by Peirson. 

 34'. GomphwschnafurciUata (Say) Se]ys. Recorded by Peirson. 9. May. New 

 to Middlesex County. 



