OF ARTS AND SCIENCES. 35 



The pale yellow wings and the bi-colored membranule will catch 

 the eye of the student. One male. Length, 52 ; alar expanse, 62. 



II. Family Libelluliclae. 



IV. Siib-Fanilly Libellulinee. 



10. Paiitala Hagen. 



Calvert, p. 223 ; Hagen, Syn. Neur. N. A. p. 141. 



14. Paiitala flavescens Fabricius. 



Calvert, p. 254 ; Hagen, Syn. Neur. N. A. p. 142. 



This insect, almost world-wide in its distribution, is very rare 

 about Manchester. One male was taken on the island below 

 Amoskeag Falls, September 6, 1898. A female which had been 

 observed in its company escaped. No other individual of Pantala 

 flavescens has been taken or seen during three years. One male 

 in collection. Length, 50 ; alar expanse, 87. 



11. Libellula Linne. 

 Calvert, p. 224; Hagen, Syn. Neur. N. A. p. 150. 



15. Libellula cyaiiea Fabricius. 



Calvert, p. 25S ; L. qicadritpla Say, Hagen, Syn. Neur. N. A. 

 P- 157- 

 A beautiful species and not uncommon about Manchester. 

 Male and female in collection. Length, 45 ; alar expanse, 72 ; 

 female same expanse; length, 39. 



16. Libellula exusta Say. 



Calvert, p. 258 ; L. deplanata Rambur, Hagen, Syn. Neur. N. 

 A. p. 154. 



Male and female in collection. Length, 43 ; alar expanse, 72 ; 

 female same expanse ; length, 39. 



