EXPLANATION OF PLATE XIII. 



All the drawings were made by J. Heury Blake. 



. 1. (8347) (f ) .Slschna (.Eschua) solida. 



2. (8995) (f ) Limnopsyche dispersa. 



3. (7728) (I) Neuronia evanesceu?. 



4. (H619) (?) Lithagrion hyalinum. 



5. (407) Cy) Phrygauea labefacta. 



6. (8046) (?) Agrion exsularis. 



. 7. (12239) (f ) Polycentropus t eviratus. 

 8. (6824) (5) Agrion masceacens. 

 692 



Fig. 9. (6824) (f) Agrion masceacens. 



10. (1352'j) (l)Agriou telliiris. 



11. (1816) (I) ^schna larvata. 



12. (6927) (f ) Lithagrion nmbratum. 



13. (2514) (t) Derobrochns craterae. 



14. (8163) (f) Lithagrion umbratum. 



15. (11693) (f).a;schna(Ba8isBschna) separata. 



