XEUROPTERA. 131 



3. ^shna mixta, Latr. Very rare. A single speci- 

 men only was taken by iny father on Stockhill, 

 October, 1807. This Dragonfly is remarkable 

 for being the oldest specimen of my father's 

 taking in my collection. 



1. Calopterex virgo, Linn. Abundant. 



2. C. splendens, Harris. Common. 



1. Lestes viridis, Vand-Lind. Occasionally common. 



2. L. forcipula, Charp. Not common. 



1. Agrion cyathigerum, Charp. Not common. 



2. A. puellum, Linn. Common. 



3. A. mercuriale, Charp. Abundant. 



4. A. pulchellum, Vand-Lind. Abundant. 



5. A. minimum, Harris. Abundant. 



6. A. tenelluni, DeVill. Common. 



7. A. elegans, Vand-Lind. Rare. Taken by my father. 



8. A. pumilio, Charp. Rare. Taken by my father, 



August 17th, 1859. 



Ephemerida. 



I. Ephemera danica, Mull. Common May Fly. Oc- 

 casionally abundant in June, but none are to 

 be seen in the next parish, Holwell, although 

 the allied species (Vulgata) is in abundance 

 there. 



1. Coenis chironomiformis, Curt. Rare. Taken by 

 ' my father, July 15th, 1854, and June 22nd, 

 1 855, at Roundchimneys Pond. 



