388 THOMAS SAY FOUNDATION 



PLATE 49. 



Genitalia of Capnia. 



Fig. 1. Capnia fibula Clsn. 9 , ventral view. 



Fig. 2. Capnia nearctica Bks. $. 



Fig. 2a. Capnia nearctica Bks. 5, dorsal view of supra-anal process. 



Fig. 3. Capnia nearctica Bks. $ , ventral view. 



Fig. 4. Capnia decepta Bks. 5 • 



Fig. 4a. Capnia decepta Bks. $ , dorsal view of supra-anal process. 



Fig. 5. Capnia decepta Bks. $ , ventral view. 



Fig. 6. Capnia columbiana Clsn. $ . 



Fig. 7. Capnia columbiana Clsn. 9 > ventral view. 



Fig. 8. Capnia manitoba Clsn. $ . 



Fig. 9. Capnia manitoba Clsn. $ , ventral view. 



Fig. 10. Capnia barberi Clsn. <J . 



Fig. 11. Capnia baJceri Bks, 5, ventral view. 



Fig. 12. Capnia brevicauda Clsn. $, ventral view. 



Fig. 13. Capnura venosa Bks. $, ventral view. 



