18 Journal New York Entomological Society, t^oi. xxi. 



N. gracilis Morse. 



Yaphank, N. Y., VII ; Lakehurst, N. J., VI. 



Genus AMPHIAGRION Selys. 

 A. saucium Burmeister. 



Yaphank, N. Y., VI ; Half Way Hollow Hills, Long Island, N. Y., 

 VII; Staten Island, V, VI, VIII; Hewitt, N. J., VI; Newfoundland, 

 N. J., VII. Often found in moist meadows. 



Genus CHROMAGRION Needham. 

 C. conditum Hagen. 



Hewitt, N. J., VI; Lakehurst, N. J., V. 



Genus ISCHNURA Charpentier. 

 I. verticalis Say. 



From May to September and generally distributed, being found 

 even in the city parks. 



I. ramburii Selys. 



Fire Island, N. Y., IX; Staten Island, IX, X. 



I. posita Hagen. 



From May to September and generally distributed. 



Genus ANOMALAGRION Selys. 

 A. hastatum Say. 



Bronxville, N. Y., VII (Woodruff) ; Staten Island, VII, VIII, 

 IX, X, and XI, 2, 1902. Sandy Hook, N. J., VIII. Found on salt 

 meadows as well as about freshwater ponds, etc. 



Family ZESCHNID^. 



Genus TACHOPTERYX Selys. 

 T. thoreyi Hagen. 



West Point, N. Y., VI, 18; Ramapo, N. Y., VI, 7 (Watson). 

 This dragonfly is often found resting on the trunks of trees where, 

 owing to its gray color, it can hardly be detected. 



Genus CORDULEGASTER Leach. 

 C. diastatops Selys. 



Hewitt, N. J., V, VI; Lake Hopatcong, N. J., VI; Lakehurst, 

 N. J., V. Sometimes not uncommon in low-lying moist meadows. 



