58 Psyche [April-June 



23. Libellula pulchella Drury. Chatham, Orleans, Brewster, 

 July 1 to Aug. 23. Common on Cape Cod. 



24. Libellula semifasciata Burn. Chatham, Orleans?, July 3-7. 

 Recorded before from several stations on Cape Cod. 



25. Libellula incesta Hagen. South Orleans, July 27. Not re- 

 corded before from east of Wareham and Woods Hole on Cape 

 Cod. 



26. Libellula auripennis Burn. South Orleans, July 27. Rare. 



Common about Buzzard's Bay. 



27. Platyemis lydia (Drury). Chatham, July 17. Not recorded 

 before from east of Wareham and Woods Hole on Cape Cod. 



28. Perithemis domitia var. tenera (Say). South Orleans, July 27 

 to Aug. 23. Not recorded before from east of Wareham and 

 Woods Hole on Cape Cod. 



29. Nannothemis bella (Uhler). Brewster, July 12. Not recorded 

 before from east of Wareham on Cape Cod. 



30. Erythrodiplax berenice (Drury). Chatham, Cotuit, Orleans, 

 July 20 to 27. Common at littoral stations where salt marshes 

 are present. 



31. Pachydiplax longipennis Burn. Orleans, July 3 to Aug. 23. 



Common on Cape Cod. 



32. Sympetrum rubicundidum (Say). Chatham, Barnstable, July 

 3 to Sept. 6. Abundant on Cape Cod. 



33. Sympetrum vicinum (Hagen). Chatham, Aug. 23 to Oct. 20. 

 Common on Cape Cod. 



34. Leucorrhinia intacta Hagen. Chatham, July 3 to 20. Com- 

 mon on Cape Cod. 



35. Celiihemis elisa (Hagen). Brewster, South Orleans, South 

 Yarmouth, July 8 to Aug. 23. Common on Cape Cod, and 

 with the small middle wing spot commonly absent. 



36. Celithemis ornata (Ramb.). South Orleans, Quanset pond, 

 July 27. Not uncommon on Cape Cod. 



37. Tramea Carolina (Linn.). Chatham, July 3 to Sept. 8. Not 

 recorded before from east of Wareham and Woods Hole on 

 Cape Cod. 



